Modernize all GitHub Actions workflows to use uv

- Update publish-to-test-pypi.yml and publish-to-live-pypi.yml to use uv instead of pip
- Update lint.yml to use uv for ruff and mypy installations
- Upgrade setup-python action from v3 to v5.2.0 in publish workflows
- Add uv caching for better performance across all workflows
- Replace pip install commands with uv pip install --system
- Ensure consistent package management across all CI jobs

Author: vinitkumar

.github/workflows/lint.yml

@@ -17,10 +17,14 @@ jobs:
         uses: actions/[email protected]
         with:
           python-version: "3.13"
-          cache: 'pip'
-      - run: |
-          python -m pip install --upgrade pip
-          pip install ruff
+      
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          enable-cache: true
+      
+      - name: Install ruff
+        run: uv pip install --system ruff
       - name: Run Ruff
         run: |
           ruff check json2xml
@@ -37,8 +41,14 @@ jobs:
         uses: actions/[email protected]
         with:
           python-version: '3.13'
-          cache: 'pip'
-      - run: pip install --upgrade mypy types-requests types-urllib3
+      
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          enable-cache: true
+      
+      - name: Install mypy and types
+        run: uv pip install --system mypy types-requests types-urllib3
       - name: mypy
         uses: liskin/gh-problem-matcher-wrap@v2
         with:

.github/workflows/publish-to-live-pypi.yml

@@ -12,16 +12,17 @@ jobs:
     steps:
     - uses: actions/[email protected]
     - name: Set up Python 3.12
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v5.2.0
       with:
         python-version: '3.12'
 
-    - name: Install pypa/build
-      run: >-
-        python -m
-        pip install
-        build
-        --user
+    - name: Install uv
+      uses: astral-sh/setup-uv@v6
+      with:
+        enable-cache: true
+
+    - name: Install build dependencies
+      run: uv pip install --system build
     - name: Build a binary wheel and a source tarball
       run: >-
         python -m

.github/workflows/publish-to-test-pypi.yml

@@ -13,16 +13,17 @@ jobs:
     steps:
     - uses: actions/[email protected]
     - name: Set up Python 3.12
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v5.2.0
       with:
         python-version: '3.12'
 
-    - name: Install pypa/build
-      run: >-
-        python -m
-        pip install
-        build
-        --user
+    - name: Install uv
+      uses: astral-sh/setup-uv@v6
+      with:
+        enable-cache: true
+
+    - name: Install build dependencies
+      run: uv pip install --system build
     - name: Build a binary wheel and a source tarball
       run: >-
         python -m