feat(security): security best practices from StepSecurity (#10480)

Signed-off-by: StepSecurity Bot <bot@stepsecurity.io>
Co-authored-by: stepsecurity-app[bot] <188008098+stepsecurity-app[bot]@users.noreply.github.com>
Co-authored-by: Pepe Fagoaga <pepe@prowler.com>

.github/workflows/test-impact-analysis.yml

@@ -45,8 +45,15 @@ jobs:
       has-sdk-tests: ${{ steps.set-flags.outputs.has-sdk-tests }}
       has-api-tests: ${{ steps.set-flags.outputs.has-api-tests }}
       has-ui-e2e: ${{ steps.set-flags.outputs.has-ui-e2e }}
+    permissions:
+      contents: read
 
     steps:
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@fa2e9d605c4eeb9fcad4c99c224cee0c6c7f3594 # v2.16.0
+        with:
+          egress-policy: audit
+
       - name: Checkout repository
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with: