Node Runtime upgrade to Node10 (#14187) (#14188)

* GitHubCommentV0

* ReviewAppV0

* Updating azure-pipelines-task lib version

Author: thesattiraju

Tasks/GitHubCommentV0/Tests/L0.ts

@@ -9,7 +9,7 @@ describe('GitHubCommentV0 Suite', function () {
     after(() => {
     });
 
-    it('Does a basic hello world test', function(done: MochaDone) {
+    it('Does a basic hello world test', function(done: Mocha.Done) {
         // TODO - add real tests
         done();
     });