Update version to v7.0.0

oklahomer · oklahomer · commit de05f061145a · 2020-01-10T17:39:52.000+09:00
diff --git a/linebot/version.go b/linebot/version.go
@@ -16,4 +16,4 @@
 
 package linebot
 
-const version = "6.4.0"
+const version = "7.0.0"
