[split] bump util to 6.11.1-SNAPSHOT

RB_ID=266347
TBR=true
[split] bump finagle to 6.11.1-SNAPSHOT

RB_ID=267471
TBR=true
[split] birdcage: upgrade to scrooge-maven-plugin 3.12.1

RB_ID=267237
TBR=true
[split] scrooge: added missing writeFieldEnd() for passthrough fields

RB_ID=268069
[split] bump util to 6.11.2-SNAPSHOT

RB_ID=268725
TBR=true
[split] scrooge: writeFieldStop during transfer

RB_ID=268347
[split] bump finagle to 6.11.2-SNAPSHOT

RB_ID=270787
TBR=true
[split] bump scrooge to 3.12.3-SNAPSHOT

RB_ID=271159
TBR=true
Merge branch 'tmp'
Merge branch 'master' of https://github.com/twitter/scrooge