CI: Use uv as drop-in replacement for pip in workflows

Replace pip with uv pip install --system for faster dependency
resolution and installation in all CI workflows (tests, lint, release).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: caidish

.github/workflows/lint.yml

@@ -19,10 +19,12 @@ jobs:
       with:
         python-version: '3.11'
 
+    - name: Install uv
+      uses: astral-sh/setup-uv@v5
+
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
-        pip install -e .[dev]
+        uv pip install --system -e .[dev]
 
     - name: Run Black (formatting check)
       run: |

.github/workflows/release.yml

@@ -18,10 +18,12 @@ jobs:
       with:
         python-version: '3.11'
 
+    - name: Install uv
+      uses: astral-sh/setup-uv@v5
+
     - name: Install build dependencies
       run: |
-        python -m pip install --upgrade pip
-        pip install build twine
+        uv pip install --system build twine
 
     - name: Build package
       run: |

.github/workflows/tests.yml

@@ -24,11 +24,13 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
 
+    - name: Install uv
+      uses: astral-sh/setup-uv@v5
+
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
-        pip install -e .[dev]
-        pip install qmeasure
+        uv pip install --system -e .[dev]
+        uv pip install --system qmeasure
 
     - name: Run tests
       run: |