[deps] DevOps: Update docker-compose minor

Author: renovate[bot]

dev/docker-compose.yml

@@ -54,7 +54,7 @@ services:
       - postgres
 
   mysql:
-    image: mysql:8.0
+    image: mysql:8.4
     container_name: bw-mysql
     ports:
       - "3306:3306"
@@ -68,7 +68,7 @@ services:
       - mysql
 
   idp:
-    image: kenchan0130/simplesamlphp:1.19.8
+    image: kenchan0130/simplesamlphp:1.19.9
     container_name: idp
     ports:
       - "8090:8080"