Update active committers struct (#3257)

Author: ganeshkumarsv

github/billing.go

@@ -43,8 +43,11 @@ type StorageBilling struct {
 
 // ActiveCommitters represents the total active committers across all repositories in an Organization.
 type ActiveCommitters struct {
-	TotalAdvancedSecurityCommitters int                           `json:"total_advanced_security_committers"`
-	Repositories                    []*RepositoryActiveCommitters `json:"repositories,omitempty"`
+	TotalAdvancedSecurityCommitters     int                           `json:"total_advanced_security_committers"`
+	TotalCount                          int                           `json:"total_count"`
+	MaximumAdvancedSecurityCommitters   int                           `json:"maximum_advanced_security_committers"`
+	PurchasedAdvancedSecurityCommitters int                           `json:"purchased_advanced_security_committers"`
+	Repositories                        []*RepositoryActiveCommitters `json:"repositories,omitempty"`
 }
 
 // RepositoryActiveCommitters represents active committers on each repository.

github/billing_test.go

@@ -436,10 +436,14 @@ func TestBillingService_GetAdvancedSecurityActiveCommittersOrg(t *testing.T) {
 		testMethod(t, r, "GET")
 		fmt.Fprint(w, `{
   "total_advanced_security_committers": 2,
+  "total_count": 2,
+  "maximum_advanced_security_committers": 3,
+  "purchased_advanced_security_committers": 4,
   "repositories": [
     {
       "name": "octocat-org/Hello-World",
       "advanced_security_committers": 2,
+      
       "advanced_security_committers_breakdown": [
         {
           "user_login": "octokitten",
@@ -459,7 +463,10 @@ func TestBillingService_GetAdvancedSecurityActiveCommittersOrg(t *testing.T) {
 	}
 
 	want := &ActiveCommitters{
-		TotalAdvancedSecurityCommitters: 2,
+		TotalAdvancedSecurityCommitters:     2,
+		TotalCount:                          2,
+		MaximumAdvancedSecurityCommitters:   3,
+		PurchasedAdvancedSecurityCommitters: 4,
 		Repositories: []*RepositoryActiveCommitters{
 			{
 				Name:                       String("octocat-org/Hello-World"),