feat(golang): adding mod_version variable (#5177)

.github/config-schema.json

@@ -649,6 +649,7 @@
         ],
         "disabled": false,
         "format": "via [$symbol($version )]($style)",
+        "not_capable_style": "bold red",
         "style": "bold cyan",
         "symbol": "🐹 ",
         "version_format": "v${raw}"
@@ -3372,6 +3373,10 @@
           "default": false,
           "type": "boolean"
         },
+        "not_capable_style": {
+          "default": "bold red",
+          "type": "string"
+        },
         "detect_extensions": {
           "default": [
             "go"