Also test CLI generation, which was notably absent from CI previously

It's about time this is (re)added as a regression already occurred.

.github/workflows/rust.yml

@@ -25,9 +25,11 @@ jobs:
       - name: Run tests
         run: |
           source ~/.profile
+          cargo test
           make test-gen
           make gen-all-cli cargo-api ARGS=test
           make cargo-api ARGS='check --no-default-features'
+          make cargo-api ARGS=check
           make cargo-api ARGS=doc
+          make cargo-cli ARGS=check
           make docs-all
-          cargo test