fix: Make sure funkwhale_api package and metadata are available for docs

Part-of: <https://dev.funkwhale.audio/funkwhale/funkwhale/-/merge_requests/2374>

.gitlab-ci.yml

@@ -112,7 +112,7 @@ review_docs:
     - if: $CI_PIPELINE_SOURCE == "merge_request_event"
       changes: [docs/**/*]
 
-  image: $CI_REGISTRY/funkwhale/ci/python:3.11
+  image: $CI_REGISTRY/funkwhale/ci/python-funkwhale-api:3.11
   variables:
     BUILD_PATH: "../docs-review"
   environment:
@@ -311,7 +311,7 @@ build_docs:
     - if: $CI_COMMIT_BRANCH =~ /(stable|develop)/
     - changes: [docs/**/*]
 
-  image: $CI_REGISTRY/funkwhale/ci/python:3.11
+  image: $CI_REGISTRY/funkwhale/ci/python-funkwhale-api:3.11
   variables:
     BUILD_PATH: "../public"
     GIT_STRATEGY: clone

changes/changelog.d/development-docs.bugfix

@@ -0,0 +1 @@
+Make sure funkwhale_api package and metadata are available for docs

docs/pyproject.toml

@@ -17,6 +17,7 @@ myst-parser = "==0.18.1"
 
 django = "==3.2.18"
 django-environ = "==0.9.0"
+funkwhale-api = {path = "../api"}
 
 [tool.poetry.dev-dependencies]