chore(deps-dev): bump @microsoft/api-extractor from 7.20.0 to 7.20.1 (#8206)

Bumps [@microsoft/api-extractor](https://github.com/microsoft/rushstack/tree/HEAD/apps/api-extractor) from 7.20.0 to 7.20.1.
- [Release notes](https://github.com/microsoft/rushstack/releases)
- [Changelog](https://github.com/microsoft/rushstack/blob/master/apps/api-extractor/CHANGELOG.md)
- [Commits](https://github.com/microsoft/rushstack/commits/@microsoft/api-extractor_v7.20.1/apps/api-extractor)

---
updated-dependencies:
- dependency-name: "@microsoft/api-extractor"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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package.json

@@ -82,7 +82,7 @@
     "@commitlint/cli": "16.2.3",
     "@commitlint/config-conventional": "16.2.1",
     "@microsoft/api-documenter": "7.17.2",
-    "@microsoft/api-extractor": "7.20.0",
+    "@microsoft/api-extractor": "7.20.1",
     "@types/debug": "4.1.7",
     "@types/mime": "2.0.3",
     "@types/mocha": "9.1.0",