Improve Go syntax highlighting (#25327)
Release Notes:
- Improved Go syntax highlighting.
| Zed 0.174.6 | With this PR |
| --- | --- |
|

|

|
- `package_identifier`: `namespace`, language-agnostic scope for
modules, packages, namespaces
- `method_elem`: `function.method`
- `;` ,`.` ,`,` ,`:`: `punctuation.delimiter`
```go
package my_package
import (
pkg "fmt"
)
type A interface {
method_elem(foo int, bar float64) int
}
func main() {
identifier := true
const constant int = 3
for i := 0; i <= 3; i++ {
pkg.Println(identifier)
}
}
```
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Co-authored-by: Marshall Bowers <git@maxdeviant.com>