docs(update): 升级版本&增加changelog

LetTTGACO · LetTTGACO · commit 3393c3e665df · 2022-10-18T13:31:12.000+08:00
diff --git a/README.md b/README.md
@@ -233,7 +233,7 @@ DEBUG=yuque-hexo.* yuque-hexo sync
 
 # Changelog
 
-### v1.9.3
+### v1.9.4
 - 🔥 新增GitHub图床和又拍云图床
 
 ### v1.9.2
