Add necessary μpb patch to module-enabled build.

The patch is necessary to work around
protocolbuffers/protobuf#13741.

MODULE.bazel

@@ -25,6 +25,14 @@ bazel_dep(name = "abseil-cpp", version = "20230802.0", repo_name = "com_google_a
 bazel_dep(name = "protobuf", version = "21.7", repo_name = "com_google_protobuf")
 bazel_dep(name = "upb", version = "0.0.0-20220923-a547704")
 
+# Necessary patch for μpb; to be removed once
+# https://github.com/protocolbuffers/protobuf/issues/13741 and
+# https://github.com/protocolbuffers/protobuf/issues/14564 are fixed.
+single_version_override(
+    module_name = "upb",
+    patches = ["//:upb.patch"],
+)
+
 # Development-only module dependencies
 bazel_dep(name = "stardoc", version = "0.6.2", dev_dependency = True, repo_name = "io_bazel_stardoc")
 bazel_dep(name = "googletest", version = "1.14.0", dev_dependency = True, repo_name = "com_google_googletest")