Add a new CI workflow in shared-overwrite/.github/workflows to check if data is outdated that uses shared-opt-dir/agency-parser/check_data_outdated.sh like in shared-overwrite/.github/workflows/mt-download-data.yml to trigger gh workflow run mt-download-data.yml.

Workflow should run on 0 12 * * 1,3,4,6,7 cron to complement existing workflows.

Workflow should only run:
if: ${{ ! endsWith(github.repository, '/mtransit-for-android') && ! contains(github.repository, '-bike-') }}

Example:

• On March 20, 2026, a Friday, mt-download-data.yml was run and downloaded new data but current data was not outdated until March 23 but next mt-sync-code-data.yml is on March 24.