fix: fix CI typo

Author: hsluoyz

.github/workflows/build.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.9, 3.10, 3.11]
+        python-version: ['3.9', '3.10', '3.11']
         os: [ubuntu-latest]
 
     steps:
@@ -86,7 +86,7 @@ jobs:
       - name: Set up python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.10
+          python-version: '3.10'
 
       - name: Install setuptools
         run: python -m pip install --upgrade setuptools wheel twine