Highlight tagged template fn as fn (#920)

* highlight tagged template fn as fn

* changelog

Author: zth

CHANGELOG.md

@@ -20,6 +20,7 @@
 - Make from completion trigger for expr hole so we get a nice experience when completing {from: <com>} in `@module`. https://github.com/rescript-lang/rescript-vscode/pull/918
 - Latest parser for newest syntax features. https://github.com/rescript-lang/rescript-vscode/pull/917
 - Handle completion for DOM/element attributes and attribute values properly when using a generic JSX transform. https://github.com/rescript-lang/rescript-vscode/pull/919
+- Highlight tagged template literal functions as functions. https://github.com/rescript-lang/rescript-vscode/pull/920
 
 ## 1.38.0
 

grammars/rescript.tmLanguage.json

@@ -148,7 +148,7 @@
           "end": "(?<!\\\\)`",
           "beginCaptures": {
             "1": {
-              "name": "variables.annotation"
+              "name": "entity.name.function"
             },
             "2": {
               "name": "punctuation.definition.string.template.begin"