L10n: ca; 96 strings, revision, QA

[mlforcada]

No description provided.

[github-actions]

Errors and warnings found by git-po-helper in workflow #1031:

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INFO [po/ca.po@b5f9af9]	5857 translated messages. 
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ERROR commit b5f9af9: subject ("L10n: 196 ...") does not have prefix "l10n:" 
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ERROR commit b5f9af9: empty body of the commit message, no s-o-b signature 
INFO checking commits: 0 passed, 1 failed.        
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INFO downloading pot file from https://github.com/git-l10n/pot-changes/raw/pot/master/po/git.pot 

ERROR: fail to execute "git-po-helper check-commits"

[jiangxin]

This PR was obsoleted by PR #864, which provides a better commit message. Closing this one in favor of the new PR.