chore(deps): bump @aws-sdk/client-sts from 3.835.0 to 3.840.0 (#1393)

---
updated-dependencies:
- dependency-name: "@aws-sdk/client-sts"
  dependency-version: 3.840.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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package.json

@@ -31,7 +31,7 @@
   },
   "dependencies": {
     "@actions/core": "^1.11.1",
-    "@aws-sdk/client-sts": "^3.835.0",
+    "@aws-sdk/client-sts": "^3.840.0",
     "@smithy/node-http-handler": "^4.0.1",
     "https-proxy-agent": "^5.0.1"
   },