chore(deps): update step-security/harden-runner action to v2.19.1 (#110)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/actions/claude-code-review/action.yml

@@ -16,7 +16,7 @@ runs:
   using: composite
   steps:
     - name: Harden-Runner
-      uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+      uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
       with:
         egress-policy: audit
 

.github/workflows/claude.yml

@@ -41,7 +41,7 @@ jobs:
       actions: read # Required for Claude to read CI results on PRs
     steps:
       - name: Harden-Runner
-        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
+        uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
         with:
           egress-policy: audit