Update mysql:8.4.8 Docker digest to 7fcf7bc

Author: renovate[bot]

docker-compose.yml

@@ -75,7 +75,7 @@ services:
       - activitypub
 
   mysql:
-    image: mysql:8.4.8@sha256:f1c7674d8dd3c94f439b0d607792187d55bd861f94e8c6d683b959b577152bdc
+    image: mysql:8.4.8@sha256:7fcf7bcd3fa703ff23a2b998e4ed9077e5db570bcc4468459902e33b23d2841d
     environment:
       - MYSQL_ROOT_PASSWORD=root
       - MYSQL_USER=ghost
@@ -217,7 +217,7 @@ services:
   mysql-testing:
     networks:
       - test_network
-    image: mysql:8.4.8@sha256:f1c7674d8dd3c94f439b0d607792187d55bd861f94e8c6d683b959b577152bdc
+    image: mysql:8.4.8@sha256:7fcf7bcd3fa703ff23a2b998e4ed9077e5db570bcc4468459902e33b23d2841d
     environment:
       - MYSQL_ROOT_PASSWORD=root
       - MYSQL_USER=ghost

jobs/__template__/docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   mysql-test:
-    image: mysql:8.4.8@sha256:f1c7674d8dd3c94f439b0d607792187d55bd861f94e8c6d683b959b577152bdc
+    image: mysql:8.4.8@sha256:7fcf7bcd3fa703ff23a2b998e4ed9077e5db570bcc4468459902e33b23d2841d
     environment:
       MYSQL_ROOT_PASSWORD: root
       MYSQL_DATABASE: __JOB_NAME__

jobs/reconcile-account-topics/docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   mysql-test:
-    image: mysql:8.4.8@sha256:f1c7674d8dd3c94f439b0d607792187d55bd861f94e8c6d683b959b577152bdc
+    image: mysql:8.4.8@sha256:7fcf7bcd3fa703ff23a2b998e4ed9077e5db570bcc4468459902e33b23d2841d
     environment:
       MYSQL_ROOT_PASSWORD: root
       MYSQL_DATABASE: reconcile-account-topics