Upgrade to Flow 0.4.11
Upgrade to Flow 0.4.11

f8a309a PUBDEV-2598 Change validation message type identifiers.
f318cbf PUBDEV-2204 Allow converting string columns to enum columns.
YzPaul3/h2o-3,spennihana/h2o-3,h2oai/h2o-dev,michalkurka/h2o-3,h2oai/h2o-3,h2oai/h2o-dev,h2oai/h2o-dev,spennihana/h2o-3,YzPaul3/h2o-3,h2oai/h2o-dev,h2oai/h2o-3,h2oai/h2o-3,spennihana/h2o-3,YzPaul3/h2o-3,mathemage/h2o-3,YzPaul3/h2o-3,michalkurka/h2o-3,jangorecki/h2o-3,spennihana/h2o-3,spennihana/h2o-3,h2oai/h2o-dev,h2oai/h2o-3,mathemage/h2o-3,mathemage/h2o-3,michalkurka/h2o-3,mathemage/h2o-3,YzPaul3/h2o-3,jangorecki/h2o-3,jangorecki/h2o-3,h2oai/h2o-dev,spennihana/h2o-3,h2oai/h2o-3,mathemage/h2o-3,h2oai/h2o-3,mathemage/h2o-3,michalkurka/h2o-3,jangorecki/h2o-3,h2oai/h2o-3,jangorecki/h2o-3,mathemage/h2o-3,h2oai/h2o-3,spennihana/h2o-3,michalkurka/h2o-3,jangorecki/h2o-3,michalkurka/h2o-3,YzPaul3/h2o-3,h2oai/h2o-dev,YzPaul3/h2o-3,michalkurka/h2o-3,jangorecki/h2o-3