fix(agentless): force lowercase for agentless tags

Author: mskalka

.github/workflows/agentless-container.yaml

@@ -55,6 +55,7 @@ jobs:
           for version in $TEST_VERSIONS; do
             TAGS+="-t ${{ env.REGISTRY }}/${{env.IMAGE_NAME}}/agentless:$version "
           done
+          TAGS=${TAGS@L}
 
           docker buildx build --push --platform linux/amd64,linux/arm64 $TAGS --metadata-file=metadata.json -f ../containers/agentless/Dockerfile ../containers/agentless