Update image tag to be correct for OKD 4.19

Author: lwinckers

.github/workflows/publish-docker-image.yml

@@ -37,7 +37,7 @@ jobs:
           # Strip "v" prefix from tag name
           [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
           # Use Docker `latest` tag convention
-          [ "$VERSION" == "main" ] && VERSION=latest-scos4.19
+          [ "$VERSION" == "main" ] && VERSION=latest-centos9
           echo "IMAGE_ID=$IMAGE_ID" >> $GITHUB_ENV
           echo "VERSION=$VERSION" >> $GITHUB_ENV