Auto-generate files after cl/622979373

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

diff --git a/ruby/ext/google/protobuf_c/ruby-upb.h b/ruby/ext/google/protobuf_c/ruby-upb.h
index 379fad4..9a84d6e 100755
--- a/ruby/ext/google/protobuf_c/ruby-upb.h
+++ b/ruby/ext/google/protobuf_c/ruby-upb.h
@@ -4185,7 +4185,7 @@
    * memory during encode. */
   kUpb_EncodeOption_Deterministic = 1,
 
-  // When set, unknown fields are not printed.
+  // When set, unknown fields are not encoded.
   kUpb_EncodeOption_SkipUnknown = 2,
 
   // When set, the encode will fail if any required fields are missing.