Pin actions/checkout action to 11bd719

Author: openvpn-inc-ci

.github/workflows/coverity-scan.yml

@@ -25,7 +25,7 @@ jobs:
 
       - name: Checkout OpenVPN
         if: steps.check_submit.outputs.cache-hit != 'true'
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
 
       - name: Download Coverity Build Tool
         if: steps.check_submit.outputs.cache-hit != 'true'