scripts: Don't run git-lfs commands on CI

The `deps.sh` script needs to be run to set up a new Jenkins workspace.
The git-lfs commands fail with:

    mkdir /dev/null: not a directory
    To resolve this, either:
      1: run `git lfs update --manual` for instructions on how to merge hooks.
      2: run `git lfs update --force` to overwrite your hook.

Just don't run them, since Jenkins is configured to perform the LFS pull
when fetching the repo.

Signed-off-by: Tim Crawford <tcrawford@system76.com>

scripts/deps.sh

@@ -84,11 +84,14 @@ else
   exit 1
 fi
 
+# Don't run on Jenkins
+if [ -z "${CI}" ]; then
     msg "Installing GIT LFS hooks"
     git lfs install
 
     msg "Downloading GIT LFS artifacts"
     git lfs pull
+fi
 
 msg "Initializing submodules"
 git submodule update --init --recursive --checkout --progress