Fix Dependabot lockfile sync error (#344)

* Initial plan

* chore: update package-lock.json to fix Dependabot lockfile sync issue

Co-authored-by: bwateratmsft <36966225+bwateratmsft@users.noreply.github.com>

* chore: add .github/dependabot.yml for proper Dependabot configuration

Co-authored-by: bwateratmsft <36966225+bwateratmsft@users.noreply.github.com>

* revert: remove .github/dependabot.yml

Co-authored-by: bwateratmsft <36966225+bwateratmsft@users.noreply.github.com>

* Lint fix

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: bwateratmsft <36966225+bwateratmsft@users.noreply.github.com>

Author: Copilot