Update postgres Docker tag to v15 (develop)

.gitlab-ci.yml

@@ -174,7 +174,7 @@ eslint:
 test_api:
   interruptible: true
   services:
-    - postgres:14-alpine
+    - postgres:15-alpine
     - redis:7-alpine
   stage: test
   retry: 1
@@ -236,7 +236,7 @@ build_docs:
   stage: build
   image: $CI_REGISTRY/funkwhale/backend-test-docker:3.10
   services:
-    - postgres:14-alpine
+    - postgres:15-alpine
     - redis:7-alpine
   cache:
     key: "$CI_PROJECT_ID__pip_cache"

.gitpod/docker-compose.yml

@@ -2,7 +2,7 @@ version: '3'
 
 services:
   postgres:
-    image: postgres:14-alpine
+    image: postgres:15-alpine
     environment:
       - "POSTGRES_HOST_AUTH_METHOD=trust"
     volumes:

changes/changelog.d/postgres.update

@@ -0,0 +1 @@
+Upgrade Postgres to version 15. [Make sure to migrate!](https://docs.funkwhale.audio/administrator_documentation/upgrade_docs/docker.html#upgrade-the-postgres-container)

deploy/docker-compose.yml

@@ -6,7 +6,7 @@ services:
     env_file: .env
     environment:
       - "POSTGRES_HOST_AUTH_METHOD=trust"
-    image: postgres:14-alpine
+    image: postgres:15-alpine
     volumes:
       - ./data/postgres:/var/lib/postgresql/data