update submodules and changelog

sumneko · sumneko · commit ce992f3769ca · 2022-02-21T21:05:55.000+08:00
diff --git a/3rd/EmmyLuaCodeStyle b/3rd/EmmyLuaCodeStyle
@@ -1 +1 @@
-Subproject commit 3271ec9a73946409902d3348b3bba858d442be3b
+Subproject commit f580f0ddfcd78982882d0686f69fa18a63465b41
diff --git a/3rd/bee.lua b/3rd/bee.lua
@@ -1 +1 @@
-Subproject commit fc279325867aecb7ed4a33acabe5fb4653351468
+Subproject commit 55c9c6bfd6ae4a576cd8777e232d7be48253b94e
diff --git a/changelog.md b/changelog.md
@@ -1,6 +1,7 @@
 # changelog
 
 ## 2.6.6
+* `NEW` formatter preview, use `--preview` to enable this feature, [read more](https://github.com/sumneko/lua-language-server/issues/960)
 * `FIX` [#958](https://github.com/sumneko/lua-language-server/issues/958)
 
 ## 2.6.5
