Try loop to fix update bug

Signed-off-by: Christian Richter <crichter@suse.com>

ghrunner/entrypoint.sh

@@ -25,4 +25,6 @@ echo "${CHECKSUM}  ${FILE}" | shasum -a 256 -c
 tar xzf ./${FILE}
 ./bin/installdependencies.sh
 su runner -c "./config.sh --unattended --url https://github.com/${ORG}/${REPO} --token ${TOKEN} --name docker-runner-$(hostname) --labels=${ARCH},${OS},self-hosted"
-su runner -c "./run.sh"
+while true; do
+  su runner -c "./run.sh"
+done