use uv lock file with --frozen for CI

Author: danielfromearth

.github/workflows/run_tests.yml

@@ -21,7 +21,8 @@ jobs:
 
     name: Python ${{ matrix.python-version }} tests
     steps:
-      - uses: actions/checkout@v5
+      - name: Checkout repository with LFS
+        uses: actions/checkout@v5
         with:
           lfs: 'true'
 
@@ -36,7 +37,7 @@ jobs:
           enable-cache: true
 
       - name: Install package
-        run: uv sync --extra dev
+        run: uv sync --extra dev --frozen
 
       - name: Run linting
         run: uv run ruff check ncompare

.github/workflows/version-and-build.yml

@@ -164,7 +164,7 @@ jobs:
           echo "✅ Tagged $VERSION"
 
       - name: Install dependencies
-        run: uv sync --extra dev
+        run: uv sync --extra dev --frozen
 
       - name: Build package
         run: uv build

.readthedocs.yaml

@@ -16,7 +16,7 @@ build:
       - pip install uv
     post_install:
       # Install dependencies into the RTD virtualenv using uv
-      - VIRTUAL_ENV=$READTHEDOCS_VIRTUALENV_PATH uv sync --extra dev
+      - VIRTUAL_ENV=$READTHEDOCS_VIRTUALENV_PATH uv sync --extra dev --frozen
     # Replace the 'mkdocs' key with a manual 'build' job
     build:
       html: