browse: Improve releases sorting in releases list view

Sort releases according to their version numbers instead of their names.

Jenkins job DWAPPS/gitlab-builds #1417 succeeded in 11 min.
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approved this merge request

added 17 commits

• 11e5ba49...b2735c62 - 16 commits from branch swh/devel:master
• 33438ed5 - browse: Improve releases sorting in releases list view

Compare with previous version

Jenkins job DWAPPS/gitlab-builds #1431 failed in 3 min 49 sec.
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added 13 commits

• 33438ed5...1e025249 - 12 commits from branch swh/devel:master
• ade2b0a1 - browse: Improve releases sorting in releases list view

Compare with previous version

Jenkins job DWAPPS/gitlab-builds #1493 failed in 23 min.
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@jenkins retry build

Jenkins job DWAPPS/gitlab-builds #1499 succeeded in 8 min 52 sec.
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merged