go: Add runnables for Go (#12003)

Implemented runnables for specially for running tests for Go.

I'm grateful for your feedback because this is my first experience with
Rust and Zed codebase.
![resim](https://github.com/zed-industries/zed/assets/1047345/789b31da-554f-47cd-a08c-444eced104f4)

https://github.com/zed-industries/zed/assets/1047345/ae1abd9e-3657-4322-9c28-02d0752b5ccd


Release Notes:

- Added Runnables/Tasks for:
  - Run test functions which start with "Test"
  - Run subtests
  - Run benchmark tests
  - Run main function



---------

Co-authored-by: Thorsten Ball <mrnugget@gmail.com>
Co-authored-by: Piotr Osiewicz <24362066+osiewicz@users.noreply.github.com>

crates/languages/src/go/runnables.scm

@@ -1,15 +1,62 @@
+; Functions names start with `Test`
 (
-    (
-        (function_declaration name: (_) @run
-            (#match? @run "^Test.*"))
-    ) @_
-    (#set! tag go-test)
+  (
+    (function_declaration name: (_) @run
+      (#match? @run "^Test.*"))
+  ) @_
+  (#set! tag go-test)
 )
 
+; `t.Run`
 (
-    (
-        (function_declaration name: (_) @run
-            (#eq? @run "main"))
-    ) @_
-    (#set! tag go-main)
+  (
+    (call_expression
+      function: (
+        selector_expression
+        field: _ @run @_name
+        (#eq? @_name "Run")
+      )
+      arguments: (
+        argument_list
+        .
+        (interpreted_string_literal) @_subtest_name
+        .
+        (func_literal
+          parameters: (
+            parameter_list
+            (parameter_declaration
+              name: (identifier) @_param_name
+              type: (pointer_type
+                (qualified_type
+                  package: (package_identifier) @_pkg
+                  name: (type_identifier) @_type
+                  (#eq? @_pkg "testing")
+                  (#eq? @_type "T")
+                )
+              )
+            )
+          )
+        ) @_second_argument
+      )
+    )
+  ) @_
+  (#set! tag go-subtest)
+)
+
+; Functions names start with `Benchmark`
+(
+  (
+    (function_declaration name: (_) @run @_name
+      (#match? @_name "^Benchmark.+"))
+  ) @_
+  (#set! tag go-benchmark)
+)
+
+; go run
+(
+  (
+    (function_declaration name: (_) @run
+      (#eq? @run "main"))
+  ) @_
+  (#set! tag go-main)
 )