chore(eks): pin aws-cdk-lib devDependency to 2.47.0 (#22679)

I accidentally overrode #22667 

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### Adding new Unconventional Dependencies:

* [ ] This PR adds new unconventional dependencies following the process described [here](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md/#adding-new-unconventional-dependencies)

### New Features

* [ ] Have you added the new feature to an [integration test](https://github.com/aws/aws-cdk/blob/main/INTEGRATION_TESTS.md)?
	* [ ] Did you use `yarn integ` to deploy the infrastructure and generate the snapshot (i.e. `yarn integ` without `--dry-run`)?

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

Author: kaizencc

packages/@aws-cdk/aws-eks/package.json

@@ -81,7 +81,7 @@
   "license": "Apache-2.0",
   "devDependencies": {
     "@aws-cdk/lambda-layer-kubectl-v23": "^2.0.0",
-    "aws-cdk-lib": "^2.47.0",
+    "aws-cdk-lib": "2.47.0",
     "@aws-cdk/assertions": "0.0.0",
     "@aws-cdk/cdk-build-tools": "0.0.0",
     "@aws-cdk/integ-runner": "0.0.0",