ci(deps): bump step-security/harden-runner from 2.2.0 to 2.2.1 (#33)

Bumps [step-security/harden-runner](https://github.com/step-security/harden-runner) from 2.2.0 to 2.2.1.
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](c8454efe5d...1f99358870)

---
updated-dependencies:
- dependency-name: step-security/harden-runner
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/devcontainer-checker.yml

@@ -27,7 +27,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-            - uses: step-security/harden-runner@c8454efe5d0bdefd25384362fe217428ca277d57 # v2.2.0
+            - uses: step-security/harden-runner@1f99358870fe1c846a3ccba386cc2b2246836776 # v2.2.1
               with:
                   egress-policy: block
                   allowed-endpoints: >