Publish s390x wheels for Python/upb.

PiperOrigin-RevId: 807756338

Author: haberman

python/dist/BUILD.bazel

@@ -85,18 +85,16 @@ config_setting(
     },
 )
 
-# s390x support is community-maintained and not officially supported. We do not
-# publish s390x wheels.
 config_setting(
-    name = "linux_s390x_release_unused",
+    name = "linux_s390x_release",
     flag_values = {
         "//toolchain:release": "True",
     },
-    values = {"cpu": "linux-s390x"},
+    values = {"cpu": "linux-s390_64"},
 )
 
 config_setting(
-    name = "linux_s390x_local_unused",
+    name = "linux_s390x_local",
     constraint_values = [
         "@platforms//os:linux",
         "@platforms//cpu:s390x",
@@ -355,8 +353,8 @@ py_wheel(
         ":linux_x86_64_release": "manylinux2014_x86_64",
         ":linux_aarch64_local": "linux_aarch64",
         ":linux_aarch64_release": "manylinux2014_aarch64",
-        ":linux_s390x_local_unused": "linux_s390x",
-        ":linux_s390x_release_unused": "manylinux2014_s390x",
+        ":linux_s390x_local": "linux_s390x",
+        ":linux_s390x_release": "manylinux2014_s390x",
         ":osx_universal2": "macosx_10_9_universal2",
         ":osx_aarch64": "macosx_11_0_arm64",
         ":windows_x86_32": "win32",
@@ -484,6 +482,7 @@ py_dist(
         "win64": "310",
         "linux-x86_64": "39",
         "linux-aarch_64": "39",
+        "linux-s390_64": "39",
         "osx-universal2": "39",
     },
     # LINT.ThenChange(:python_tag)