Java

• Use bit-field int values in buildPartial to skip work on unset groups of fields. (#10960)
• Mark nested builder as clean after clear is called (#10984)

UPB

• Fix UPB_LIKELY() for 32-bit Windows builds; update protobuf_deps to point to the current upb 21.x (#11028)

Other

• Add public modifiers to kotlin code (#11068)