Update dependency @pulumi/pulumi to v3

Author: renovate[bot]

package.json

@@ -4,7 +4,7 @@
         "@types/node": "8.10.61"
     },
     "dependencies": {
-        "@pulumi/pulumi": "1.14.1",
+        "@pulumi/pulumi": "3.205.0",
         "@pulumi/aws": "1.31.0",
         "@pulumi/awsx": "0.20.0"
     }