Prepare release 3.4.0 (#896)

Add compliance check for presence of AI prompts. Delay some features to 3.5.

Prepare release 3.3.5 (#891)

Prepare release 3.3.4 (#886)

Prepare release 3.3.3 (#883)

Prepare release 3.3.2 (#859)

Prepare release 3.3.1 (#845)

Prepare release 3.3.0 (#818)

It includes beta release of content packages, and delays introduction of
SLO assets to 3.4.

Prepare release 3.2.3 (#814)

Prepare release 3.2.2 (#793)

Some notes:
- Support for img folder validation is moved to 3.2.2.
- SLO changes are kept on 3.3.0 as they need support in Kibana.
- Content packages are kept on 3.4.0, as they are on technical
   preview and subject to changes.

Prepare release 3.2.1 (#774)