feat: kong tcp ingress support (#5)

https://github.com/kubernetes-sigs/external-dns/blob/master/docs/tutorials/kong.md

Author: Aatman

.gitattributes

@@ -30,6 +30,7 @@ const project = new ConstructLibraryCdk8s({
   clobber: false,
   readme: true,
   mergify: true,
+  depsUpgrade: false,
 });
 
 const common_exclude = ['cdk.out', 'yarn-error.log', 'coverage', '.DS_Store', '.idea', '.vs_code'];