enhance(backend): 設定ファイルでioredisの全てのオプションを指定可能に (#11329)

* enhance(backend): 設定ファイルでioredisの全てのオプションを指定可能に

* yappa kousuru

* fix

* fix?

* fix

* Revert "fix"

This reverts commit 227f19ff3a.

* fix

.config/example.yml

@@ -82,6 +82,8 @@ redis:
   #pass: example-pass
   #prefix: example-prefix
   #db: 1
+  # You can specify more ioredis options...
+  #username: example-username
 
 #redisForPubsub:
 #  host: localhost
@@ -90,6 +92,8 @@ redis:
 #  #pass: example-pass
 #  #prefix: example-prefix
 #  #db: 1
+#  # You can specify more ioredis options...
+#  #username: example-username
 
 #redisForJobQueue:
 #  host: localhost
@@ -98,6 +102,8 @@ redis:
 #  #pass: example-pass
 #  #prefix: example-prefix
 #  #db: 1
+#  # You can specify more ioredis options...
+#  #username: example-username
 
 #   ┌───────────────────────────┐
 #───┘ MeiliSearch configuration └─────────────────────────────