Fix running make ci-checks in docker:

These deps were missing when running in docker
and could be missing for users that have nix-shell
already installed.

Signed-off-by: Jacob Weinstock <jakobweinstock@gmail.com>

Author: jacobweinstock

shell.nix

@@ -11,6 +11,8 @@ with pkgs;
 
 mkShell {
   buildInputs = [
+    git
+    gnumake
     jq
     nixfmt
     nodePackages.prettier