chore: Pin caddy version to v2.6.1 for stability (PostHog#11943)

* chore: Pin caddy version to v2.6.1 for stability

* pin minio as well

Author: fuziontech

docker-compose.hobby.yml

@@ -90,7 +90,7 @@ services:
         volumes:
             - ./compose:/compose
     caddy:
-        image: caddy
+        image: caddy:2.6.1
         restart: unless-stopped
         ports:
             - '80:80'
@@ -116,7 +116,7 @@ services:
             - object_storage
 
     object_storage:
-        image: minio/minio
+        image: minio/minio:RELEASE.2022-09-17T00-09-45Z.fips
         restart: on-failure
         volumes:
             - object_storage:/data