Bump step-security/harden-runner from 2.8.0 to 2.8.1 (#228)

Bumps [step-security/harden-runner](https://github.com/step-security/harden-runner) from 2.8.0 to 2.8.1.
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@f086349...17d0e2b)

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

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

.github/workflows/build.yml

@@ -28,7 +28,7 @@ jobs:
     runs-on: ${{ matrix.os }}-latest
     steps:
     - name: Harden Runner
-      uses: step-security/harden-runner@f086349bfa2bd1361f7909c78558e816508cdc10
+      uses: step-security/harden-runner@17d0e2bd7d51742c71671bd19fa12bdc9d40a3d6
       with:
         egress-policy: audit
     - name: Checkout repository