Address PR review feedback

Author: shafeeqes

.github/workflows/openvex.yml

@@ -10,10 +10,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 #v4.1.1
-      - name: Set env
+        uses: actions/checkout@v4
+      - name: Set environment variables
         run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
-      - uses: openvex/generate-vex@31b415924ea0d72ed5f2640f1dee59dea6c2770b
+      - uses: openvex/generate-vex@c59881b41451d7ccba5c3b74cd195382b8971fcd
+        # Refer: https://github.com/openvex/vexctl#operational-model
         name: Run vexctl
         with:
             product: pkg:golang/kubernetes/kube-state-metrics@${{ env.RELEASE_VERSION }}