fix(region-info): integ use standalone package

[phuhung273]

Issue # (if applicable)

Closes #34692

Reason for this change

Description of changes

• Modify integ.elastic-beanstalk-hostedzoneid to use standalone @aws-cdk/region-info. We still have integ.elastic-beanstalk-environment-target using monolithic one
• Remove duplicate exports

  aws-cdk/packages/aws-cdk-lib/package.json

  Lines 507 to 511 in 1ae1463

  	"./core/lib/errors": "./core/lib/errors.js",
  	"./core/lib/helpers-internal": "./core/lib/helpers-internal/index.js",
  	"./core/lib/metadata-resource": "./core/lib/metadata-resource.js",
  	"./core/lib/prop-injectable": "./core/lib/prop-injectable.js",
  	"./core/lib/errors": "./core/lib/errors.js",

Describe any new or updated permissions being added

Description of how you validated changes

Reproducing:

1. Change integ to use standalone @aws-cdk/region-info
2. Build integ
3. Remove export in packages/aws-cdk-lib/package.json
4. Build aws-cdk-lib
5. Run integ > error

$ yarn integ test/aws-route53-targets/test/integ.elastic-beanstalk-hostedzoneid.js
yarn run v1.22.22
$ integ-runner --language javascript test/aws-route53-targets/test/integ.elastic-beanstalk-hostedzoneid.js

Verifying integration test snapshots...

node:internal/modules/cjs/loader:641
      throw e;
      ^

Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: Package subpath './core/lib/errors' is not defined by "exports" in /workspaces/aws-cdk/node_modules/aws-cdk-lib/package.json
    at exportsNotFound (node:internal/modules/esm/resolve:322:10)
    at packageExportsResolve (node:internal/modules/esm/resolve:670:9)
    at resolveExports (node:internal/modules/cjs/loader:634:36)
    at Module._findPath (node:internal/modules/cjs/loader:724:31)
    at Module._resolveFilename (node:internal/modules/cjs/loader:1211:27)
    at Module._load (node:internal/modules/cjs/loader:1051:27)
    at Module.require (node:internal/modules/cjs/loader:1311:19)
    at require (node:internal/modules/helpers:179:18)
    at Object.<anonymous> (/workspaces/aws-cdk/packages/@aws-cdk/region-info/lib/fact.js:8:18)
    at Module._compile (node:internal/modules/cjs/loader:1469:14) {
  code: 'ERR_PACKAGE_PATH_NOT_EXPORTED'
}

Node.js v20.18.3

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

---

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[aws-cdk-automation]

(This review is outdated)

[phuhung273]

Exemption Request: no need snapshot change

[ozelalisen]

LGTM!

✅ Updated pull request passes all PRLinter validations. Dismissing previous PRLinter review.

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Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 7961c1d
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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