add pypy 3.11 build

Author: maxbachmann

.github/workflows/pythonbuild.yml

@@ -136,17 +136,21 @@ jobs:
       fail-fast: false
       matrix:
         arch: [auto, aarch64, ppc64le, s390x]
-        python_tag: ["cp39-*", "cp310-*", "cp311-*", "cp312-*", "cp313-*", "pp39-*", "pp310-*"]
+        python_tag: ["cp39-*", "cp310-*", "cp311-*", "cp312-*", "cp313-*", "pp39-*", "pp310-*", "pp311-*"]
         exclude:
           # PyPy builds not supported on ppc64le / s390x
           - arch: ppc64le
             python_tag: "pp39-*"
           - arch: ppc64le
             python_tag: "pp310-*"
+          - arch: ppc64le
+            python_tag: "pp311-*"
           - arch: s390x
             python_tag: "pp39-*"
           - arch: s390x
             python_tag: "pp310-*"
+          - arch: s390x
+            python_tag: "pp311-*"
     env:
       CIBW_ARCHS_LINUX: ${{matrix.arch}}
       CIBW_BUILD: ${{matrix.python_tag}}