chore: enforce uv lockfile consistency in CI and pre-commit

  Add --locked flag to uv sync in CI to fail if uv.lock is out of sync,
  and add the uv-lock pre-commit hook to automatically keep uv.lock
  up to date when pyproject.toml changes.

Author: mesejo

.github/workflows/build.yml

@@ -73,7 +73,7 @@ jobs:
           enable-cache: true
 
       - name: Install dependencies
-        run: uv sync --dev --no-install-package datafusion
+        run: uv sync --locked --dev --no-install-package datafusion
 
       - name: Run Ruff
         run: |

.pre-commit-config.yaml

@@ -53,5 +53,12 @@ repos:
             additional_dependencies:
               - tomli
 
+      - repo: https://github.com/astral-sh/uv-pre-commit
+        # uv version.
+        rev: 0.10.7
+        hooks:
+          # Update the uv lockfile
+          - id: uv-lock
+
 default_language_version:
       python: python3