fix: upgrade aws-sdk from 2.589.0 to 2.590.0

Snyk has created this PR to upgrade aws-sdk from 2.589.0 to 2.590.0.

See this package in NPM:
https://www.npmjs.com/package/aws-sdk

See this project in Snyk:
https://app.snyk.io/org/itchibon777-github-marketplace/project/c885aae9-f9c2-42e8-84d7-17192e8a95fe?utm_source=github&utm_medium=upgrade-pr

Author: snyk-bot

examples/lambda-invoke/package-lock.json

@@ -8,7 +8,7 @@
   "author": "",
   "license": "MIT",
   "dependencies": {
-    "aws-sdk": "^2.589.0"
+    "aws-sdk": "^2.590.0"
   },
   "devDependencies": {
     "serverless": "^1.59.3",