l10n: fr translation update for v2.51.0

[jnavila]

No description provided.

[github-actions]

Errors and warnings found by git-po-helper in workflow #1029:

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INFO [po/fr.po@790bf98]	5857 translated messages. 
INFO checking commits: 1 passed.                  
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INFO downloading pot file from https://github.com/git-l10n/pot-changes/raw/pot/master/po/git.pot 
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ERROR [po/fr.po@790bf98]	1 new string(s) in 'po/git.pot', but not in your 'po/XX.po' 
ERROR [po/fr.po@790bf98]                           
ERROR [po/fr.po@790bf98]	  > po/git.pot:7497: this message is used but not defined in /tmp/167169325--fr.po 
ERROR [po/fr.po@790bf98]                           
ERROR [po/fr.po@790bf98]	2 obsolete string(s) in your 'po/XX.po', which must be removed 
ERROR [po/fr.po@790bf98]                           
ERROR [po/fr.po@790bf98]	  > po/XX.po:6507: warning: this message is not used 
ERROR [po/fr.po@790bf98]	  > po/XX.po:8677: warning: this message is not used 
ERROR [po/fr.po@790bf98]                           
ERROR [po/fr.po@790bf98]	You can download the latest "po/git.pot" file from: 
ERROR [po/fr.po@790bf98]                           
ERROR [po/fr.po@790bf98]		https://github.com/git-l10n/pot-changes/raw/pot/master/po/git.pot 
ERROR [po/fr.po@790bf98]                           
ERROR [po/fr.po@790bf98]	Please rebase your branch to the latest upstream branch, 
ERROR [po/fr.po@790bf98]	run "git-po-helper update po/XX.po" to update your po file, 
ERROR [po/fr.po@790bf98]	and translate the new strings in it. 
ERROR [po/fr.po@790bf98]                           

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

[jiangxin]

Hi @jnavila , Git 2.51.0-rc2 has been released. It introduced new translatable messages, so please rebase and update your translations.