Replace pypy3.8 with pypy3.10 (#121)

Author: hugovk

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["pypy3.8", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["pypy3.10", "3.8", "3.9", "3.10", "3.11", "3.12"]
         os: [windows-latest, macos-latest, ubuntu-latest]
 
     steps: