Add timeout to CLI tests

It seems like some CLI tests are hanging and only completing after 6
hours when they run into the default timeout. This updates the timeout
to 30 minutes. All CLI tests should complete in 30 minutes, so this
should ensure that they are cancelled when they are stuck.

.github/workflows/main.yml

@@ -209,6 +209,7 @@ jobs:
     name: CLI Test
     runs-on: ${{ matrix.os }}
     needs: [find-nightly, set-matrix]
+    timeout-minutes: 30
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]