Linter fixes

Dockerfile

@@ -3,6 +3,6 @@ FROM pipelinecomponents/ansible-lint:latest
 ENV LANG C.UTF-8
 
 #ARG DEPENDENCIES_RUNTIME="git openssh-client rsync"
-RUN apk add --no-cache "${DEPENDENCIES_RUNTIME}"
+RUN apk add --no-cache "$DEPENDENCIES_RUNTIME"
 
 WORKDIR /opt/ansible