This pull request includes a series of updates and improvements to the project. Here's a summary of the changes made in this pull request:

1. Update Packages and Multi LocalStack Support:

   • Updated various AWS packages to their latest versions.
   • Added support for multiple LocalStack instances.

2. Investigation and Fixes:

   • Started investigating issues SQS DeleteQueue fails on LocalStack 2.2 #23 and All S3 operations fails on LocalStack 2.2 #24.
     • Bugs have been fixed with this PR by LocalStack
   • Fixed legacy LocalStack container wait strategy for functional tests.

3. New Solution Standards:

   • Added new solution-wide coding standards with various analyzers

4. Code Refactoring According to New Standards:

   • Refactored libraries to adhere to the new coding standards.
   • Refactored sandbox projects according to the new standards.
   • Refactored the build project according to the new standards.
   • Refactored the LocalStack sandbox according to the new standards.
   • Refactored test projects and added multiple LocalStack support for functional tests.
   • Moved remaining using directives to GlobalUsings.cs files.

5. Additional Functionality:

   • New endpoints in the official Localstack Python Client v2.3 have been added.
     • EMRServerless
     • Appflow
     • Keyspaces
     • Scheduler

6. Centralized Package Management:

   • Managed package versions centrally to resolve issue Introduce Centralized Package Version Management #28.

7. Package Updates:

   • Updated AWS packages to their latest versions.
   • Updated analyzer packages.
   • Updated test packages.
   • AWSSDK.Core set to 3.7.201 as the minimum version

8. Library Update:

   • This update represents version 1.4.1 of the library.

Tested against LocalStack v1.3.1, v2.0 and the latest containers