Update ameba version

shard.lock

@@ -2,7 +2,7 @@ version: 2.0
 shards:
   ameba:
     git: https://github.com/crystal-ameba/ameba.git
-    version: 1.5.0
+    version: 1.6.1
 
   athena-negotiation:
     git: https://github.com/athena-framework/negotiation.git

shard.yml

@@ -35,7 +35,7 @@ development_dependencies:
     version: ~> 0.10.4
   ameba:
     github: crystal-ameba/ameba
-    version: ~> 1.5.0
+    version: ~> 1.6.1
 
 crystal: ">= 1.0.0, < 2.0.0"