containers: Skip building git-server

Because its test fails on GitHub ubuntu-latest instead of self-hosted Runner,

and its not used anyways; note that devshell is FROM sshd, not git-server.

container/build.sh

@@ -18,7 +18,7 @@ build() {
 #     Directory      Dockerfile        Image Tag Name
 build fedora-updated Dockerfile        fedora-updated
 build sshd           Dockerfile        sshd
-build git-server     Dockerfile        git-server
+# build git-server     Dockerfile        git-server
 build devshell       Dockerfile        devshell
 build ..             Dockerfile-fedora ghcr.io/vorburger/dotfiles-fedora
 ## build gcloud         Dockerfile        gcloud