[stable28] fix(openapi): Regenerate OpenAPI after server changes

[nickvergessen]

• Ref [stable28] fix(files_sharing): fix parsing of remote shares #45817

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Tests (unit, integration, api and/or acceptance) are included
• Screenshots before/after for front-end changes
• Documentation (manuals or wiki) has been updated or is not required
• Backports requested where applicable (ex: critical bugfixes)

[nickvergessen]

/backport 2dbec08 to stable29

[backportbot]

The backport to stable29 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable29
git pull origin stable29
# Create the new backport branch
git checkout -b backport/46164/stable29
# Cherry pick the change from the commit sha1 of the change against the default branch# This might cause conflicts, resolve them
git cherry-pick 2dbec08b
# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/46164/stable29

Error: Failed to push branch backport/46164/stable29: fatal: could not read Username for 'https://github.com': No such device or address

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