Bump @types/prettier from 2.6.0 to 2.7.1 in /cdk_infra (#942)

Bumps [@types/prettier](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/prettier) from 2.6.0 to 2.7.1.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/prettier)

---
updated-dependencies:
- dependency-name: "@types/prettier"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

cdk_infra/package.json

@@ -13,7 +13,7 @@
     "@types/jest": "^27.5.2",
     "@types/js-yaml": "^4.0.5",
     "@types/node": "10.17.27",
-    "@types/prettier": "2.6.0",
+    "@types/prettier": "2.7.1",
     "@typescript-eslint/eslint-plugin": "^5.31.0",
     "@typescript-eslint/parser": "^5.31.0",
     "ajv": "^8.11.0",