Update highlights for golang (helix-editor#6204)

- update tree-sitter-go
- refine keywords
- set package as namespace
- add label

Author: erasin

languages.toml

@@ -324,7 +324,7 @@ args = { mode = "local", processId = "{0}" }
 
 [[grammar]]
 name = "go"
-source = { git = "https://github.com/tree-sitter/tree-sitter-go", rev = "05900faa3cdb5d2d8c8bd5e77ee698487e0a8611" }
+source = { git = "https://github.com/tree-sitter/tree-sitter-go", rev = "64457ea6b73ef5422ed1687178d4545c3e91334a" }
 
 [[language]]
 name = "gomod"

runtime/queries/go/highlights.scm

@@ -19,6 +19,9 @@
 (method_declaration
   name: (field_identifier) @function.method)
 
+(method_spec 
+  name: (field_identifier) @function.method) 
+
 ; Identifiers
 
 ((identifier) @constant (match? @constant "^[A-Z][A-Z\\d_]+$"))
@@ -32,10 +35,19 @@
   (match? @type.builtin "^(any|bool|byte|comparable|complex128|complex64|error|float32|float64|int|int16|int32|int64|int8|rune|string|uint|uint16|uint32|uint64|uint8|uintptr)$"))
 
 (type_identifier) @type
+(type_spec 
+  name: (type_identifier) @constructor)
 (field_identifier) @variable.other.member
 (identifier) @variable
-(package_identifier) @variable
+(package_identifier) @namespace
+
+(parameter_declaration (identifier) @variable.parameter)
+(variadic_parameter_declaration (identifier) @variable.parameter)
 
+(label_name) @label
+
+(const_spec
+  name: (identifier) @constant)
 
 ; Operators
 
@@ -82,36 +94,57 @@
 ; Keywords
 
 [
-  "break"
-  "case"
-  "chan"
-  "const"
-  "continue"
   "default"
-  "defer"
+  "type"
+] @keyword
+
+[
+  "if"  
   "else"
-  "fallthrough"
+  "switch"
+  "select"
+  "case"
+] @keyword.control.conditional
+
+[
   "for"
-  "func"
-  "go"
-  "goto"
-  "if"
-  "interface"
-  "map"
   "range"
-  "return"
-  "select"
-  "struct"
-  "switch"
-  "type"
-  "var"
-] @keyword
+] @keyword.control.repeat
 
 [
   "import"
   "package"
 ] @keyword.control.import
 
+[
+  "return"
+  "continue"
+  "break"
+  "fallthrough"
+] @keyword.control.return
+
+[
+  "func"
+] @keyword.function
+
+[
+  "var"
+  "chan"
+  "interface"
+  "map"
+  "struct"
+] @keyword.storage.type
+
+[
+  "const"
+] @keyword.storage.modifier
+
+[
+  "defer"
+  "goto"
+  "go"
+] @function.macro
+
 ; Delimiters
 
 [