Downgrade runner due log issues with ghe 3.5 (#60)

Author: eksrha

images/base/Dockerfile

@@ -18,7 +18,7 @@ ENV GH_RUNNER_WORKDIR="/home/$USERNAME"
 ENV GH_KANIKO_WORKDIR="/kaniko/workspace"
 
 # https://github.com/actions/runner/releases
-ENV GH_RUNNER_VERSION=2.302.0
+ENV GH_RUNNER_VERSION=2.299.1
 ENV GH_RUNNER_LABELS=ubuntu-20.04
 
 # https://github.com/fullstack-devops/awesome-ci/releases