Update swagger docs to allow relative URLs

dev.yml

@@ -154,7 +154,7 @@ services:
       - "8001:8001"
 
   api-docs:
-    image: swaggerapi/swagger-ui:v3.26.0
+    image: swaggerapi/swagger-ui:v3.37.2
     environment:
       - "API_URL=/swagger.yml"
     ports:

docs/build_swagger.sh

 #!/bin/bash -eux
 
-SWAGGER_VERSION="3.13.6"
+SWAGGER_VERSION="3.37.2"
 TARGET_PATH=${TARGET_PATH-"swagger"}
 rm -rf $TARGET_PATH /tmp/swagger-ui
 git clone --branch="v$SWAGGER_VERSION" --depth=1 "https://github.com/swagger-api/swagger-ui.git" /tmp/swagger-ui

docs/swagger.yml

-openapi: "3.0.2"
+openapi: "3.0.3"
 info:
   description: |
     Interactive documentation for [Funkwhale](https://funkwhale.audio) API.
@@ -140,7 +140,6 @@ components:
       description: This API uses OAuth 2 with the Authorization Code flow. You can register an app using the /oauth/apps/ endpoint.
       flows:
         authorizationCode:
-          # Swagger doesn't support relative URLs yet (cf https://github.com/swagger-api/swagger-ui/pull/5244)
           authorizationUrl: /authorize
           tokenUrl: /api/v1/oauth/token/
           refreshUrl: /api/v1/oauth/token/