Bump postgres images from 13 to 15 (#11764)

* Bump postgres image to v 15

* Pin a postgres version on review apps

* Fix issue with RAs running out of DB space

.github/workflows/continous-integration.yml

@@ -35,7 +35,7 @@ jobs:
     runs-on: ubuntu-20.04
     services:
       postgres:
-        image: postgres:13.2
+        image: postgres:15
         env:
           POSTGRES_USER: postgres
           POSTGRES_PASSWORD: postgres
@@ -117,7 +117,7 @@ jobs:
     runs-on: ubuntu-20.04
     services:
       postgres:
-        image: postgres:13.2
+        image: postgres:15
         env:
           POSTGRES_USER: postgres
           POSTGRES_PASSWORD: postgres

app.json

@@ -2,7 +2,7 @@
   "name": "Mozilla Foundation site",
   "description": "Mozilla Foundation site",
   "addons": [
-    "heroku-postgresql:mini"
+    "heroku-postgresql:basic --version=15"
   ],
   "formation": {
     "web": {

docker-compose.yml

@@ -71,7 +71,7 @@ services:
       - postgres
 
   postgres:
-    image: postgres:13.2
+    image: postgres:15
     ports:
       - "5678:5432"
     environment: