Refactor stale issue formatting to use HTML lists for improved rendering in GitHub Actions summary; update workflow dependencies to latest versions. Example run (see summary): https://github.com/fleetdm/fleet/actions/runs/26101161627 <!-- Add the related story/sub-task/bug number, like Resolves #123, or remove if NA --> **Related issue:** Resolves #45700 <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **Chores** * Updated GitHub Actions and automation dependencies to latest versions * Improved stale issue management workflow formatting and logic <!-- review_stack_entry_start --> [](https://app.coderabbit.ai/change-stack/fleetdm/fleet/pull/45767?utm_source=github_walkthrough&utm_medium=github&utm_campaign=change_stack) <!-- review_stack_entry_end --> <!-- end of auto-generated comment: release notes by coderabbit.ai -->