fix(CalDAV): Increase Calendar Object UID field size

[SebastianKrupinski]

Summary

• Increased Calendar Object UID size

Reason

• fix: calendar subscription memory exhaustion #56784 (comment)
• And...

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)
• Labels added where applicable (ex: bug/enhancement, 3. to review, feature component)
• Milestone added for target branch/version (ex: 32.x for stable32)

[tcitworld]

Surprised this plays well with all databases

[ChristophWurst]

Looks good

[SebastianKrupinski]

/backport to nc32

[backportbot]

The backport to nc32 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout nc32
git pull origin nc32

# Create the new backport branch
git checkout -b backport/56801/nc32

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts, resolve them
git cherry-pick 54e23aea

# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/56801/nc32

Error: Failed to clone repository: Failed to create working tree: Preparing worktree (new branch 'backport/56801/nc32')
fatal: not a valid object name: 'origin/nc32'

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

[SebastianKrupinski]

/backport to stable32

[SebastianKrupinski]

/backport to stable31