Update Python version to 3.10 in doc build workflow

Switched the Python version from 3.8 to 3.10 in the GitHub Actions workflow for building documentation. This ensures compatibility with newer Python features and aligns with the project's current supported versions.

.github/workflows/test-doc-build.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8"]
+        python-version: ["3.10"]
     steps:
     - uses: actions/checkout@v3
     - name: Install the latest version of uv