make refresh private

Signed-off-by: Dominik Pfaffenbauer <dominik@pfaffenbauer.at>

plugins/catalog-backend-module-gitlab/api-report.md

@@ -71,7 +71,5 @@ export class GitlabOrgDiscoveryEntityProvider implements EntityProvider {
   ): GitlabOrgDiscoveryEntityProvider[];
   // (undocumented)
   getProviderName(): string;
-  // (undocumented)
-  refresh(logger: Logger): Promise<void>;
 }
 ```

plugins/catalog-backend-module-gitlab/src/providers/GitlabOrgDiscoveryEntityProvider.ts

@@ -156,7 +156,7 @@ export class GitlabOrgDiscoveryEntityProvider implements EntityProvider {
     };
   }
 
-  async refresh(logger: Logger): Promise<void> {
+  private async refresh(logger: Logger): Promise<void> {
     if (!this.connection) {
       throw new Error(
         `Gitlab discovery connection not initialized for ${this.getProviderName()}`,