update runner python

Author: erawn

.github/workflows/build.yml

@@ -67,7 +67,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.9"
+          python-version: "3.10"
           architecture: "x64"
       - uses: actions/download-artifact@v4
         with:
@@ -78,7 +78,7 @@ jobs:
           # Remove NodeJS, twice to take care of system and locally installed node versions.
           sudo rm -rf $(which node)
           sudo rm -rf $(which node)
-          
+
           pip install "jupyterlab>=4.0.0,<5" pagebreaks*.whl