ci: update lint workflow to use uv, set minimum Github Actions permissions, and upgrade Python version to 3.14

Author: davidpirogov

.github/workflows/lint.yml

@@ -1,5 +1,7 @@
 name: Lint
-
+permissions:
+  contents: read
+  
 on:
   push:
     branches: [main]
@@ -22,12 +24,12 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
-          python-version: "3.12"
+          python-version: "3.14"
 
       - name: Install dependencies
         run: |
           uv sync
-          uv pip install ruff mypy pytest
+          uv add ruff mypy pytest
 
       - name: Run ruff check
         run: uv run ruff check src/ tests/