[images] Fix issue with checkouting the repo

See actions/checkout#439

.github/workflows/build-and-deploy-service-image.yml

@@ -37,6 +37,9 @@ jobs:
     steps:
       - name: Check out repository code
         uses: actions/checkout@v2
+        with:
+           fetch-depth: 0
+           ref: main
       - name: Save private key
         run: 'echo "$SSH_KEY" > ~/cloud_ssh_private_key; chmod 600 ~/cloud_ssh_private_key'
         shell: bash