chore(deps): update step-security/harden-runner action to v2.21.1 (#118)

Co-authored-by: agntcy-automation[bot] <269490587+agntcy-automation[bot]@users.noreply.github.com>

Author: agntcy-automation[bot]

.github/workflows/conventional_commits.yml

@@ -22,7 +22,7 @@ jobs:
       statuses: write
     steps:
       - name: 🔒 harden runner
-        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
+        uses: step-security/harden-runner@e14015d583714f6e62063499dc959a02595150a1 # v2.21.1
         with:
           egress-policy: audit
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1