Update pre-commit.yml

Author: cclauss

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

@@ -14,6 +14,8 @@ jobs:
             ~/.cache/pip
           key: ${{ runner.os }}-pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}
       - uses: actions/setup-python@v2
+        with:
+          python-version: "3.10.0-beta.1"
       - uses: psf/[email protected]
       - name: Install pre-commit
         run: |