[TechDocs] Update default techdocs docker image to latest version (#7448)

* set default docker image to latest one 0.3.3

Signed-off-by: Emma Indal <emma.indahl@gmail.com>

* update extensions docs with new truly sane lists example

Signed-off-by: Emma Indal <emma.indahl@gmail.com>

* changeset

Signed-off-by: Emma Indal <emma.indahl@gmail.com>

* use consistent tagging for docker image versions

Signed-off-by: Emma Indal <emma.indahl@gmail.com>

* update changeset with correct link to tag

Signed-off-by: Emma Indal <emma.indahl@gmail.com>

* update api report

Signed-off-by: Emma Indal <emma.indahl@gmail.com>

plugins/techdocs-backend/examples/documented-component/docs/extensions.md

@@ -87,3 +87,20 @@ I've read a lot of documentation, but I love :heart: this document.
 Weather: :sunny: :umbrella: :cloud: :snowflake:
 
 Animals: :tiger: :horse: :turtle: :wolf: :frog:
+
+### MDX truly sane lists
+
+- attributes
+
+- customer
+  - first_name
+    - test
+  - family_name
+  - email
+- person
+  - first_name
+  - family_name
+  - birth_date
+- subscription_id
+
+- request