upgrade npm dependencies (#44)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "squiss-ts",
-  "version": "4.0.1",
+  "version": "4.0.2",
   "description": "High-volume SQS poller",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
@@ -46,7 +46,7 @@
   },
   "homepage": "https://github.com/PruvoNet/squiss-ts#readme",
   "dependencies": {
-    "aws-sdk": "^2.463.0",
+    "aws-sdk": "^2.493.0",
     "iltorb": "^2.4.3",
     "linked-list": "^2.0.1",
     "ts-type-guards": "^0.6.1",
@@ -56,22 +56,22 @@
     "@types/chai": "^4.1.7",
     "@types/chai-as-promised": "^7.1.0",
     "@types/iltorb": "^2.3.0",
-    "@types/mocha": "^5.2.6",
-    "@types/node": "^12.0.2",
+    "@types/mocha": "^5.2.7",
+    "@types/node": "^12.6.2",
     "@types/proxyquire": "^1.3.28",
-    "@types/uuid": "^3.4.4",
+    "@types/uuid": "^3.4.5",
     "chai": "^4.2.0",
     "chai-as-promised": "^7.1.1",
-    "coveralls": "^3.0.3",
-    "delay": "^4.2.0",
+    "coveralls": "^3.0.5",
+    "delay": "^4.3.0",
     "dirty-chai": "^2.0.1",
     "istanbul": "^0.4.5",
     "mocha": "^6.1.4",
-    "proxyquire": "^2.1.0",
+    "proxyquire": "^2.1.1",
     "sinon": "^7.3.2",
     "sinon-chai": "^3.3.0",
-    "ts-node": "^8.1.0",
-    "tslint": "^5.16.0",
-    "typescript": "^3.4.5"
+    "ts-node": "^8.3.0",
+    "tslint": "^5.18.0",
+    "typescript": "^3.5.3"
   }
 }