v7.11.0-alyp: Merge branch 'master' of https://github.com/line/line-bot-sdk-go

# Conflicts:
#	linebot/flex.go

v7.9.1-alyp: support unmarshal flex component (#3)

* Merge branch 'master' of https://github.com/line/line-bot-sdk-go

# Conflicts:
#	linebot/flex.go

* add json tag for parse flex component

* bug fixed

v7.9.0-alyp

v7

v7.5.0

Merge pull request #2 from AlleyPin/enhancement/support-postback-acti…