gitlab-shell: updated to 12.2.0

Author: sameersbn

Dockerfile

@@ -5,7 +5,7 @@ ARG VERSION=12.9.5
 ENV GITLAB_VERSION=${VERSION} \
     RUBY_VERSION=2.6 \
     GOLANG_VERSION=1.13.10 \
-    GITLAB_SHELL_VERSION=12.0.0 \
+    GITLAB_SHELL_VERSION=12.2.0 \
     GITLAB_WORKHORSE_VERSION=8.25.2 \
     GITLAB_PAGES_VERSION=1.17.0 \
     GITALY_SERVER_VERSION=12.9.4 \