fix: setup correct python version for generating docs

.github/workflows/docs.yml

@@ -16,6 +16,11 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: "Setup python 3.10"
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+
       - name: Generate documentation
         env:
           BOT_GITHUB_USERNAME: ${{ secrets.HOMEBREW_GITHUB_USERNAME }}