CI: Use regular pip install for Python 3.13 (not uv)

Author: EwoutH

.github/workflows/build_lint.yml

@@ -53,9 +53,12 @@ jobs:
         cache: 'pip'
     - name: Install uv
       run: pip install uv
-    - name: Install Mesa
-      # See https://github.com/astral-sh/uv/issues/1945
+    - name: Install Mesa with uv pip
       run: uv pip install --system .[dev]
+      if: matrix.python-version != '3.13'
+    - name: Install Mesa with pip
+      run: pip install .[dev]
+      if: matrix.python-version == '3.13'
     - name: Test with pytest
       run: pytest --durations=10 --cov=mesa tests/ --cov-report=xml
     - if: matrix.os == 'ubuntu'