Fix Python 3.10 builds (#49)

Author: duffn

.github/workflows/build-and-push-images.yml

@@ -32,6 +32,8 @@ jobs:
           - "3.10.3"
           - "3.10.4"
           - "3.10.5"
+          - "3.10.6"
+          - "3.10.7"
     steps:
       - name: Checkout
         uses: actions/checkout@v2