Bump step-security/close-milestone from 2.1.1 to 2.1.2

Bumps [step-security/close-milestone](https://github.com/step-security/close-milestone) from 2.1.1 to 2.1.2.
- [Release notes](https://github.com/step-security/close-milestone/releases)
- [Commits](step-security/close-milestone@ca235f0...ee40150)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/release-automation.yml

@@ -107,7 +107,7 @@ jobs:
       - name: Close the Milestone
         if: ${{ steps.version_parser.outputs.prerelease == '' }}
         id: milestone
-        uses: step-security/close-milestone@ca235f00d0aac66e5c6543a1d4d7f88b3072e4a0 # v2.1.1
+        uses: step-security/close-milestone@ee401503222f3787e13460b5ad87d7a9d59b0c94 # v2.1.2
         with:
           milestone_name: ${{ steps.version_parser.outputs.release }}
         env: