chore(deps): bump proxy-agent from 6.5.0 to 7.0.0 (#1686)

Bumps [proxy-agent](https://github.com/TooTallNate/proxy-agents/tree/HEAD/packages/proxy-agent) from 6.5.0 to 7.0.0.
- [Release notes](https://github.com/TooTallNate/proxy-agents/releases)
- [Changelog](https://github.com/TooTallNate/proxy-agents/blob/main/packages/proxy-agent/CHANGELOG.md)
- [Commits](https://github.com/TooTallNate/proxy-agents/commits/proxy-agent@7.0.0/packages/proxy-agent)

---
updated-dependencies:
- dependency-name: proxy-agent
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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package.json

@@ -36,7 +36,7 @@
     "@actions/core": "^2.0.2",
     "@aws-sdk/client-sts": "^3.1020.0",
     "@smithy/node-http-handler": "^4.4.7",
-    "proxy-agent": "^6.5.0"
+    "proxy-agent": "^8.0.0"
   },
   "keywords": [
     "aws",