Improve issue title generation from Google Form#87
Merged
Hidden character warning
The head ref may contain hidden characters: "codex/\u5909\u66f4\u3055\u308c\u305fissue\u30bf\u30a4\u30c8\u30eb\u3092google-form\u306b\u57fa\u3065\u3044\u3066\u66f4\u65b0"
