Update changelog

Update changelog

Fix: Missing time series datapoints in druid show up as absurd values…

… in line chart (apache#8271)

* Adding support for filter box in annotations

* Fixing tox lint errors

* fixing lint errors

* superset should skip empty time buckets

* removing whitespace

Fix: Missing time series datapoints in druid show up as absurd values…

… in line chart (apache#8271)

* Adding support for filter box in annotations

* Fixing tox lint errors

* fixing lint errors

* superset should skip empty time buckets

* removing whitespace

updating version to 0.34.1

Set version to 0.34.0 (no rcN)

Set version to 0.34.0 (no rcN)