Restore Android 3.11/3.12 exclusion.

Author: freakboy3742

.github/workflows/ci.yml

@@ -106,6 +106,11 @@ jobs:
               sudo udevadm control --reload-rules
               sudo udevadm trigger --name-match=kvm
         exclude:
+          # Cryptography isn't available for 3.11+ on Android yet
+          - backend: android
+            python-version: "3.11"
+          - backend: android
+            python-version: "3.12"
           # Binary packages aren't available for 3.13 on Android yet
           - backend: android
             python-version: "3.13-dev"