chore(developer): add removal of OCA.Sharing.ExternalLinkActions

[susnux]

• for chore!(files_sharing): remove deprecated OCA.Sharing.ExternalLinkActions server#55718

[susnux]

/backport fd818ef to stable32

[susnux]

/backport fd818ef to stable31

[susnux]

/backport fd818ef to stable30

[susnux]

/backport fd818ef to stable23

[backportbot]

The backport to stable23 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable23
git pull origin stable23

# Create the new backport branch
git checkout -b backport/13797/stable23

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts, resolve them
git cherry-pick fd818efc

# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/13797/stable23

Error: Failed to check for changes with origin/stable23: No changes found in backport branch

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Learn more about backports at https://docs.nextcloud.com/server/stable/go.php?to=developer-backports.