Upgrade to Python 3.10

Author: cclauss

Diff for: .github/workflows/build.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: "3.9"
+          python-version: "3.10"
       - uses: actions/cache@v2
         with:
           path: ~/.cache/pip

Diff for: .github/workflows/pre-commit.yml

@@ -15,7 +15,7 @@ jobs:
           key: ${{ runner.os }}-pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.10"
       - uses: psf/[email protected]
       - name: Install pre-commit
         run: |