fix(snykTask): upgrade azure-pipelines-task-lib from 2.9.3 to 3.4.0

Author: cat2608

snykTask/package.json

@@ -1,5 +1,5 @@
 {
   "dependencies": {
-    "azure-pipelines-task-lib": "2.9.3"
+    "azure-pipelines-task-lib": "^3.4.0"
   }
 }