fixed return type highlighting with generic parameters

Author: emekoi

Syntaxes/Zig.YAML-tmLanguage

@@ -291,7 +291,7 @@ repository:
       '2':
         name: punctuation.section.parens.begin.zig
 
-    end: '(?<=\))\s*([a-zA-Z_][a-zA-Z0-9_.]*|@\".+\")?(!)?\s*(?:([a-zA-Z_][a-zA-Z0-9_.]*|@\".+\")\b(?!\s*\())?'
+    end: '(?<=\)[^\)])\s*([a-zA-Z_][a-zA-Z0-9_.]*|@\".+\")?(!)?\s*(?:([a-zA-Z_][a-zA-Z0-9_.]*|@\".+\")\b(?!\s*\())?'
     endCaptures:
       '1':
         name: storage.type.zig

Syntaxes/Zig.tmLanguage

@@ -313,7 +313,7 @@
 				</dict>
 			</dict>
 			<key>end</key>
-			<string>(?&lt;=\))\s*([a-zA-Z_][a-zA-Z0-9_.]*|@\".+\")?(!)?\s*(?:([a-zA-Z_][a-zA-Z0-9_.]*|@\".+\")\b(?!\s*\())?</string>
+			<string>(?&lt;=\)[^\)])\s*([a-zA-Z_][a-zA-Z0-9_.]*|@\".+\")?(!)?\s*(?:([a-zA-Z_][a-zA-Z0-9_.]*|@\".+\")\b(?!\s*\())?</string>
 			<key>endCaptures</key>
 			<dict>
 				<key>1</key>

Syntaxes/Zig.tmLanguage.json

@@ -469,7 +469,7 @@
             ]
         }, 
         "function_def": {
-            "end": "(?<=\\))\\s*([a-zA-Z_][a-zA-Z0-9_.]*|@\\\".+\\\")?(!)?\\s*(?:([a-zA-Z_][a-zA-Z0-9_.]*|@\\\".+\\\")\\b(?!\\s*\\())?", 
+            "end": "(?<=\\)[^\\)])\\s*([a-zA-Z_][a-zA-Z0-9_.]*|@\\\".+\\\")?(!)?\\s*(?:([a-zA-Z_][a-zA-Z0-9_.]*|@\\\".+\\\")\\b(?!\\s*\\())?", 
             "begin": "(?<=fn)\\s+([a-zA-Z_][a-zA-Z0-9_]*|@\\\".+\\\")(\\()", 
             "beginCaptures": {
                 "1": {