Fix: triggers not created for queries.search_vector (getredash#3634)

Merge pull request getredash#3196 from getredash/master

Sync release/6.0.x branch with master

WIP: Update CHANGELOG (getredash#3159)

Bump version

Add auth via JWT providers (getredash#2768)

* authentication via JWT providers
* add support for IAP JWT auth
* remove jwt_auth Blueprint and /headers endpoint
* fix pep8: imports

Merge branch 'master' of github.com:getredash/redash

Update version

Update v5-beta release date.

Version bump to 4.0.1

Merge branch 'master' of github.com:getredash/redash