fixed label argument in entrypoint (#162)

* fixed label argument in entrypoint

* Removed quotes from RUNNER_GROUP_ARG

runner/entrypoint.sh

@@ -41,7 +41,7 @@ if [ -z "${RUNNER_REPO}" ] && [ -n "${RUNNER_ORG}" ] && [ -n "${RUNNER_GROUP}" ]
 fi
 
 cd /runner
-./config.sh --unattended --replace --name "${RUNNER_NAME}" --url "${GITHUB_URL}${ATTACH}" --token "${RUNNER_TOKEN}" "${RUNNER_GROUP_ARG}" "${LABEL_ARG}"
+./config.sh --unattended --replace --name "${RUNNER_NAME}" --url "${GITHUB_URL}${ATTACH}" --token "${RUNNER_TOKEN}" ${RUNNER_GROUP_ARG} ${LABEL_ARG}
 
 for f in runsvc.sh RunnerService.js; do
   diff {bin,patched}/${f} || :