Add metrics to get issues by repository (#17225)

modules/setting/setting.go

@@ -390,13 +390,15 @@ var (
 
 	// Metrics settings
 	Metrics = struct {
-		Enabled             bool
-		Token               string
-		EnabledIssueByLabel bool
+		Enabled                  bool
+		Token                    string
+		EnabledIssueByLabel      bool
+		EnabledIssueByRepository bool
 	}{
-		Enabled:             false,
-		Token:               "",
-		EnabledIssueByLabel: false,
+		Enabled:                  false,
+		Token:                    "",
+		EnabledIssueByLabel:      false,
+		EnabledIssueByRepository: false,
 	}
 
 	// I18n settings