chore: move security workflows

[jsjoeio]

• refactor: move security jobs to security.yaml
• fixup! refactor: move security jobs to security.yaml

Fixes #4960

[github-actions[bot]]

✨ code-server dev build published to npm for PR #5553!

• Last publish status: success
• Commit: af44b73cb6837d4e025ee02b8645d7829eedb811

To install in a local project, run:

npm install @coder/code-server-pr@5553

To install globally, run:

npm install -g @coder/code-server-pr@5553

[codecov[bot]]

Codecov Report

Merging #5553 (af44b73) into main (b440054) will not change coverage. The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5553   +/-   ##
=======================================
  Coverage   72.44%   72.44%           
=======================================
  Files          30       30           
  Lines        1673     1673           
  Branches      366      366           
=======================================
  Hits         1212     1212           
  Misses        398      398           
  Partials       63       63           

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