ci: use pypy-3.11

Author: schettino72

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu, windows, macos]
-        python-version: ['3.10', '3.11', '3.12', '3.13', 'pypy-3.10']
+        python-version: ['3.10', '3.11', '3.12', '3.13', 'pypy-3.11']
         exclude:
           - os: windows
             python-version: pypy3