Prepare release 0.39.0

Check error stream is not null before notifying error (hierynomus#961)

Co-authored-by: Jeroen van Erp <jeroen@hierynomus.com>

Prepare release 0.38.0

Prepare release 0.37.0

Fix release build

Prepare release notes for 0.35.0

Prepare release notes for 0.34.0

Prepare release notes for 0.33.0

Update builds and release pipeline