Fix tests

Author: CCXLV

.github/actions/tests/action.yml

@@ -30,5 +30,5 @@ runs:
       shell: bash -euxo pipefail {0}
       run: |
         uv run pytest tests/
-        ./scripts/set_ld_path.sh
+        source ./scripts/set_ld_path.sh
         cargo test --workspace --locked