fix(lostpassord): Delete lost password token on password change

[CarlSchwan]

Summary

Ensure the token is invalided when the user change their password

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)

[CarlSchwan]

/backport to stable31

[CarlSchwan]

/backport to stable30

[backportbot]

The backport to stable30 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable30
git pull origin stable30
# Create the new backport branch
git checkout -b backport/54775/stable30
# Cherry pick the change from the commit sha1 of the change against the default branch# This might cause conflicts, resolve them
git cherry-pick 1d3c3cfb
# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/54775/stable30

Error: Failed to check for changes with origin/stable30: 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.

[backportbot]

The backport to stable31 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable31
git pull origin stable31
# Create the new backport branch
git checkout -b backport/54775/stable31
# Cherry pick the change from the commit sha1 of the change against the default branch# This might cause conflicts, resolve them
git cherry-pick 1d3c3cfb
# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/54775/stable31

Error: Failed to check for changes with origin/stable31: No changes found in backport branch

---

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