Bump upb version to pull in windows/python bazel fix

PiperOrigin-RevId: 506510613

php/ext/google/protobuf/php-upb.c

@@ -6811,7 +6811,7 @@ static void upb_MtDecoder_ValidateEntryField(upb_MtDecoder* d,
                               name, expected_num, (int)f->number);
   }
 
-  if (upb_IsRepeatedOrMap(f) || f->presence < 0) {
+  if (upb_IsRepeatedOrMap(f)) {
     upb_MtDecoder_ErrorFormat(
         d, "map %s cannot be repeated or map, or be in oneof", name);
   }
@@ -6841,6 +6841,13 @@ static void upb_MtDecoder_ParseMap(upb_MtDecoder* d, const char* data,
     UPB_UNREACHABLE();
   }
 
+  upb_LayoutItem* end = UPB_PTRADD(d->vec.data, d->vec.size);
+  for (upb_LayoutItem* item = d->vec.data; item < end; item++) {
+    if (item->type == kUpb_LayoutItemType_OneofCase) {
+      upb_MtDecoder_ErrorFormat(d, "Map entry cannot have oneof");
+    }
+  }
+
   upb_MtDecoder_ValidateEntryField(d, &d->table->fields[0], 1);
   upb_MtDecoder_ValidateEntryField(d, &d->table->fields[1], 2);
 

protobuf_deps.bzl

@@ -149,7 +149,7 @@ def protobuf_deps():
         _github_archive(
             name = "upb",
             repo = "https://github.com/protocolbuffers/upb",
-            commit = "702d95891d70547397e9d45edc00cd7c36f476e1",
-            sha256 = "27f0b1d48c58ffd03081516ba6cdf163e93f74376ba13b18a92d80631fb94bba",
+            commit = "84a3fd2d2d943c8ff37f09feadb1dd3f60f954ee",
+            sha256 = "5c144471b9d92250e77710376251a6929e47b49eea50b8f380e759a9447fb60b",
             patches = ["@com_google_protobuf//build_defs:upb.patch"],
         )

ruby/ext/google/protobuf_c/ruby-upb.c

@@ -6448,7 +6448,7 @@ static void upb_MtDecoder_ValidateEntryField(upb_MtDecoder* d,
                               name, expected_num, (int)f->number);
   }
 
-  if (upb_IsRepeatedOrMap(f) || f->presence < 0) {
+  if (upb_IsRepeatedOrMap(f)) {
     upb_MtDecoder_ErrorFormat(
         d, "map %s cannot be repeated or map, or be in oneof", name);
   }
@@ -6478,6 +6478,13 @@ static void upb_MtDecoder_ParseMap(upb_MtDecoder* d, const char* data,
     UPB_UNREACHABLE();
   }
 
+  upb_LayoutItem* end = UPB_PTRADD(d->vec.data, d->vec.size);
+  for (upb_LayoutItem* item = d->vec.data; item < end; item++) {
+    if (item->type == kUpb_LayoutItemType_OneofCase) {
+      upb_MtDecoder_ErrorFormat(d, "Map entry cannot have oneof");
+    }
+  }
+
   upb_MtDecoder_ValidateEntryField(d, &d->table->fields[0], 1);
   upb_MtDecoder_ValidateEntryField(d, &d->table->fields[1], 2);