Update step-security/harden-runner action to v2.10.3

Author: renovate[bot]

.github/workflows/testing.yml

@@ -32,7 +32,7 @@ jobs:
         go: ["1.18", "1.19", "1.20", "1.21", "1.22" ]
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
+        uses: step-security/harden-runner@c95a14d0e5bab51a9f56296a4eb0e416910cd350 # v2.10.3
         with:
           egress-policy: audit
           disable-telemetry: true