chore: update badges in README.md (#26856)

Hi, I found some badges in README.md outdated, fixing them in this PR. [Rendered version](https://github.com/tmokmss/aws-cdk/blob/update_readme_badges/README.md)

From:
![image](https://github.com/aws/aws-cdk/assets/7490655/f0d88a2c-8160-4cbd-9054-53c566c93ac3)

To:
![image](https://github.com/aws/aws-cdk/assets/7490655/f67e5937-caa6-488f-99c6-d726f42b3483)


----

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

Author: tmokmss

README.md

@@ -3,10 +3,10 @@
 ![Build Status](https://codebuild.us-east-1.amazonaws.com/badges?uuid=eyJlbmNyeXB0ZWREYXRhIjoiSy9rWmVENzRDbXBoVlhYaHBsNks4OGJDRXFtV1IySmhCVjJoaytDU2dtVWhhVys3NS9Odk5DbC9lR2JUTkRvSWlHSXZrNVhYQ3ZsaUJFY3o4OERQY1pnPSIsIml2UGFyYW1ldGVyU3BlYyI6IlB3ODEyRW9KdU0yaEp6NDkiLCJtYXRlcmlhbFNldFNlcmlhbCI6MX0%3D&branch=main)
 [![Gitpod Ready-to-Code](https://img.shields.io/badge/Gitpod-ready--to--code-blue?logo=gitpod)](https://gitpod.io/#https://github.com/aws/aws-cdk)
 [![NPM version](https://badge.fury.io/js/aws-cdk.svg)](https://badge.fury.io/js/aws-cdk)
-[![PyPI version](https://badge.fury.io/py/aws-cdk.core.svg)](https://badge.fury.io/py/aws-cdk.core)
-[![NuGet version](https://badge.fury.io/nu/Amazon.CDK.svg)](https://badge.fury.io/nu/Amazon.CDK)
-[![Maven Central](https://maven-badges.herokuapp.com/maven-central/software.amazon.awscdk/core/badge.svg)](https://maven-badges.herokuapp.com/maven-central/software.amazon.awscdk/core)
-[![Go Reference](https://pkg.go.dev/badge/github.com/aws/aws-cdk-go/awscdk.svg)](https://pkg.go.dev/github.com/aws/aws-cdk-go/awscdk)
+[![PyPI version](https://badge.fury.io/py/aws-cdk-lib.svg)](https://badge.fury.io/py/aws-cdk-lib)
+[![NuGet version](https://badge.fury.io/nu/Amazon.CDK.Lib.svg)](https://badge.fury.io/nu/Amazon.CDK.Lib)
+[![Maven Central](https://maven-badges.herokuapp.com/maven-central/software.amazon.awscdk/aws-cdk-lib/badge.svg)](https://maven-badges.herokuapp.com/maven-central/software.amazon.awscdk/aws-cdk-lib)
+[![Go Reference](https://pkg.go.dev/badge/github.com/aws/aws-cdk-go/awscdk/v2.svg)](https://pkg.go.dev/github.com/aws/aws-cdk-go/awscdk/v2)
 [![Mergify](https://img.shields.io/endpoint.svg?url=https://gh.mergify.io/badges/aws/aws-cdk&style=flat)](https://mergify.io)
 
 [![View on Construct Hub](https://constructs.dev/badge?package=aws-cdk-lib)](https://constructs.dev/packages/aws-cdk-lib)