bump up version to v0.6.0

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "tui-textarea"
-version = "0.5.3"
+version = "0.6.0"
 edition = "2021"
 rust-version = "1.56.1" # for `tui` crate support
 authors = ["rhysd <lin90162@yahoo.co.jp>"]

fuzz/Cargo.lock

@@ -490,7 +490,7 @@ dependencies = [
 
 [[package]]
 name = "tui-textarea"
-version = "0.5.3"
+version = "0.6.0"
 dependencies = [
  "arbitrary",
  "crossterm",