fix: Check for up-to-date lockfile (#192)

# Summary
Updates lockfile and adds a CI step to check that this has been done.
Should prevent failed release to PyPI, when a lockfile change causes
`dev0` version string to be created.

# Changes
* Update `uv.lock`
* Added CI check on lockfile.

Author: toby-coleman

.github/workflows/lint-test.yaml

@@ -38,6 +38,10 @@ jobs:
       - name: Install project
         run: uv sync --group test --group docs
 
+      - name: Check uv lockfile
+        run: uv lock --check
+        if: always()
+
       - name: Ruff linting
         run: uv run ruff check .
         if: always()