Relax version constraints to work with Stackage LTS 19.

Taken from upstream:

  https://github.com/ganeti/ganeti/commit/4f8d61ea0101721eae1c6f43be8430d819e5e611

diff --git a/cabal/ganeti.template.cabal b/cabal/ganeti.template.cabal
index bb4ff8053..98491dd9f 100644
--- a/cabal/ganeti.template.cabal
+++ b/cabal/ganeti.template.cabal
@@ -63,14 +63,14 @@ library
     , unix                          >= 2.5.1.0
     , utf8-string                   >= 0.3.7
 
-    , attoparsec                    >= 0.10.1.1   && < 0.14
-    , base64-bytestring             >= 1.0.0.1    && < 1.2
+    , attoparsec                    >= 0.10.1.1   && < 0.15
+    , base64-bytestring             >= 1.0.0.1    && < 1.3
     , case-insensitive              >= 0.4.0.1    && < 1.3
     , curl                          >= 1.3.7      && < 1.4
     , hinotify                      >= 0.3.2      && < 0.5
     , hslogger                      >= 1.1.4      && < 1.4
     , json                          >= 0.5        && < 1.0
-    , lens                          >= 3.10       && < 5.0
+    , lens                          >= 3.10       && < 6.0
     , lifted-base                   >= 0.2.0.3    && < 0.3
     , monad-control                 >= 0.3.1.3    && < 1.1
     , parallel                      >= 3.2.0.2    && < 3.3
58910a70320a7625c02efe'>tree</a><a href='/guix/commit/po/doc/guix-manual.zh_CN.po?id=9c3c68dae4605a443158910a70320a7625c02efe'>commit</a><a href='/guix/diff/po/doc/guix-manual.zh_CN.po?id=9c3c68dae4605a443158910a70320a7625c02efe'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/po/doc/guix-manual.zh_CN.po'>
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<div class='path'>path: <a href='/guix/log/?id=9c3c68dae4605a443158910a70320a7625c02efe'>root</a>/<a href='/guix/log/po?id=9c3c68dae4605a443158910a70320a7625c02efe'>po</a>/<a href='/guix/log/po/doc?id=9c3c68dae4605a443158910a70320a7625c02efe'>doc</a>/<a href='/guix/log/po/doc/guix-manual.zh_CN.po?id=9c3c68dae4605a443158910a70320a7625c02efe'>guix-manual.zh_CN.po</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/po/doc/guix-manual.zh_CN.po?id=9c3c68dae4605a443158910a70320a7625c02efe&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-12-04 19:40:52 +0100'>2021-12-04</span></td><td><a href='/guix/commit/po/doc/guix-manual.zh_CN.po?id=7fcb20a8fa242ab53b9bc97ef0b0367c6a399bd4'>nls: Update translations.</a></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2021-11-06 14:06:36 +0100'>2021-11-06</span></td><td><a href='/guix/commit/po/doc/guix-manual.zh_CN.po?id=85430a9ea6f32aaae3e34741e292a01a2de62ee0'>nls: Update translations.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/doc/guix-cookbook.es.po: New file.
* po/doc/local.mk: Add 'es' cookbook.
* doc/local.mk: Add 'es' cookbook.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2021-10-17 22:10:25 +0200'>2021-10-17</span></td><td><a href='/guix/commit/po/doc/guix-manual.zh_CN.po?id=15c91189cb61c579f4289047c79530cefe75215f'>nls: Update translations.</a></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2021-09-02 04:06:52 +0200'>2021-09-02</span></td><td><a href='/guix/commit/po/doc/guix-manual.zh_CN.po?id=1ff2092a39dc5c7c7cd9b4a0ba4b59f92e738efc'>nls: Update translations.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/packages/it.po: New file.
* po/packages/LINGUAS: Add `it'.
* po/*/*.po: Update translations.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2021-08-04 14:49:53 +0200'>2021-08-04</span></td><td><a href='/guix/commit/po/doc/guix-manual.zh_CN.po?id=6c10c96fedf707d7be059aeb79bd5c8e2d2fa210'>nls: Update translations.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/doc/guix-cookbook.ru.po: New file.
* po/doc/guix-cookbook.sk.po: New file.
* po/*/*.po: Update translations.
* doc/local.mk (COOKBOOK_LANGUAGES): Add ru and sk.
(info_TEXINFOS): Add Russian and Slovak cookbooks.
* po/doc/local.mk (DOC_COOKBOOK_PO_FILES): Add Russian and Slovak po
files.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2021-05-10 22:34:43 -0400'>2021-05-10</span></td><td><a href='/guix/commit/po/doc/guix-manual.zh_CN.po?id=21fcced608c93e1ac836cdd9ab8c5d200c667e75'>nls: Update translations.</a></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2021-04-18 13:18:02 +0200'>2021-04-18</span></td><td><a href='/guix/commit/po/doc/guix-manual.zh_CN.po?id=5d1f110b454b9de30a8dde8d51a213bb956d54f3'>nls: Update 'zh_CN' translations.</a></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2019-05-15 16:36:21 +0200'>2019-05-15</span></td><td><a href='/guix/commit/po/doc/guix-manual.zh_CN.po?id=32747aa987bd921bc8aadc1c1d4b4da6d9bcc306'>nls: Update 'zh_CN' translation.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-04-27 10:42:15 +0200'>2019-04-27</span></td><td><a href='/guix/commit/po/doc/guix-manual.zh_CN.po?id=615b147f3a1234f801e3138c47d821cb820257b8'>nls: Fix wrong include name.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/doc/guix-manual.zh_CN.po: Fix wrong include name.
</span></span></td><td>Clément Lassieur</td></tr>
<tr><td><span title='2019-04-27 00:02:15 +0200'>2019-04-27</span></td><td><a href='/guix/commit/po/doc/guix-manual.zh_CN.po?id=cdb57a831c0f778c2d856b92f875b54b91afadd7'>nls: Update 'zh_CN' translation.</a><span class='msg-avail'>...<span class='msg-tooltip'>Refer to the right version.*.texi to prevent errors in Makefile.am.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2019-04-24 00:24:07 +0200'>2019-04-24</span></td><td><a href='/guix/commit/po/doc/guix-manual.zh_CN.po?id=3068509ac12df6f2fc6e500019a4d8bbf75d32a2'>nls: Fix guix-manual.zh_CN.po.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/doc/guix-manual.zh_CN.po: Replace "@def" with "@dfn".  Translate
the "contributing.texi" message ID.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-04-24 00:17:15 +0200'>2019-04-24</span></td><td><a href='/guix/commit/po/doc/guix-manual.zh_CN.po?id=544cab3dccb5ee8c0b691c173546a26f0e25625a'>doc: Add zh_CN PO file.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/doc/guix-manual.zh_CN.po: New file.
</span></span></td><td>Ludovic Courtès</td></tr>