Update step-security/harden-runner action to v2.12.2

Author: renovate[bot]

.github/workflows/jekyll-gh-pages.yml

@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@002fdce3c6a235733a90a27c80493a3241e56863 # v2.12.1
+        uses: step-security/harden-runner@6c439dc8bdf85cadbbce9ed30d1c7b959517bc49 # v2.12.2
         with:
           egress-policy: audit
 
@@ -55,7 +55,7 @@ jobs:
     needs: build
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@002fdce3c6a235733a90a27c80493a3241e56863 # v2.12.1
+        uses: step-security/harden-runner@6c439dc8bdf85cadbbce9ed30d1c7b959517bc49 # v2.12.2
         with:
           egress-policy: audit