chore(deps): update mysql docker tag to v8.4.4

Author: renovate[bot]

docker-compose.dev.yml

@@ -1,7 +1,7 @@
 version: "3.8"
 services:
   db:
-    image: mysql:8.0.36
+    image: mysql:8.4.4
     container_name: nest-db
     volumes:
       - dbdata:/var/lib/mysql

docker-compose.yml

@@ -1,7 +1,7 @@
 version: "3.8"
 services:
   db:
-    image: mysql:8.0.36
+    image: mysql:8.4.4
     container_name: nestjs-test-db
     ports:
       - "3306:3306"