chore(deps): update postgres docker tag to v15

.drone.yml

@@ -9,7 +9,7 @@ trigger:
 
 steps:
   - name: database healthcheck
-    image: 'postgres:14.5-alpine'
+    image: 'postgres:15.3-alpine'
     environment:
       PGUSER: postgres
       PGPASSWORD: postgres
@@ -75,7 +75,7 @@ steps:
 
 services:
   - name: db
-    image: 'postgres:14.5-alpine'
+    image: 'postgres:15.3-alpine'
     environment:
       POSTGRES_USER: postgres
       POSTGRES_PASSWORD: postgres

docker-compose.yml

@@ -3,7 +3,7 @@ version: '3.7'
 
 services:
   db:
-    image: 'postgres:14.5-alpine'
+    image: 'postgres:15.3-alpine'
     hostname: &db_host db
     init: true
     environment: