go: Add support for running sub-tests in table tests (#35657)

One killer feature for the Go runner is to execute individual subtests
within a table-test easily. Goland has had this feature forever, while
in VSCode this has been notably missing.


https://github.com/user-attachments/assets/363417a2-d1b1-43ca-8377-08ce062d6104


Release Notes:

- Added support to run Go table-test subtests.

crates/languages/src/go/runnables.scm

@@ -91,3 +91,103 @@
   ) @_
   (#set! tag go-main)
 )
+
+; Table test cases - slice and map
+(
+  (short_var_declaration
+    left: (expression_list (identifier) @_collection_var)
+    right: (expression_list
+      (composite_literal
+        type: [
+          (slice_type)
+          (map_type
+            key: (type_identifier) @_key_type
+            (#eq? @_key_type "string")
+          )
+        ]
+        body: (literal_value
+          [
+            (literal_element
+              (literal_value
+                (keyed_element
+                  (literal_element
+                    (identifier) @_field_name
+                  )
+                  (literal_element
+                    [
+                      (interpreted_string_literal) @run @_table_test_case_name
+                      (raw_string_literal) @run @_table_test_case_name
+                    ]
+                  )
+                )
+              )
+            )
+            (keyed_element
+              (literal_element
+                [
+                  (interpreted_string_literal) @run @_table_test_case_name
+                  (raw_string_literal) @run @_table_test_case_name
+                ]
+              )
+            )
+          ]
+        )
+      )
+    )
+  )
+  (for_statement
+    (range_clause
+      left: (expression_list
+        [
+          (
+            (identifier)
+            (identifier) @_loop_var
+          )
+          (identifier) @_loop_var
+        ]
+      )
+      right: (identifier) @_range_var
+      (#eq? @_range_var @_collection_var)
+    )
+    body: (block
+      (expression_statement
+        (call_expression
+          function: (selector_expression
+            operand: (identifier) @_t_var
+            field: (field_identifier) @_run_method
+            (#eq? @_run_method "Run")
+          )
+          arguments: (argument_list
+            .
+            [
+              (selector_expression
+                operand: (identifier) @_tc_var
+                (#eq? @_tc_var @_loop_var)
+                field: (field_identifier) @_field_check
+                (#eq? @_field_check @_field_name)
+              )
+              (identifier) @_arg_var
+              (#eq? @_arg_var @_loop_var)
+            ]
+            .
+            (func_literal
+              parameters: (parameter_list
+                (parameter_declaration
+                  type: (pointer_type
+                    (qualified_type
+                      package: (package_identifier) @_pkg
+                      name: (type_identifier) @_type
+                      (#eq? @_pkg "testing")
+                      (#eq? @_type "T")
+                    )
+                  )
+                )
+              )
+            )
+          )
+        )
+      )
+    )
+  ) @_
+  (#set! tag go-table-test-case)
+)