ACP-4499: Added console command for post-install setup

[pushokwhite]

PR Description

• Added support for message channels stored in the App configuration, populated via the AppConfigUpdated message.
• Added setup:post-install console command to execute post-install actions.
• Added TriggerAppConfigUpdatePostInstallTaskPlugin to keep the Tenant-stored App configuration up-to-date after each App deployment.

Steps before you submit a PR

• Please add tests for the code you add if it's possible.
• Please check out our contribution guide: https://docs.spryker.com/docs/dg/dev/code-contribution-guide.html
• Add a contribution-license-agreement.txt file with the following content:
  I hereby agree to Spryker\'s Contribution License Agreement in https://github.com/spryker/app-kernel/blob/HASH_OF_COMMIT_YOU_ARE_BASING_YOUR_BRANCH_FROM_MASTER_BRANCH/CONTRIBUTING.md.

This is a mandatory step to make sure you are aware of the license agreement and agree to it. HASH_OF_COMMIT_YOU_ARE_BASING_YOUR_BRANCH_FROM_MASTER_BRANCH is a hash of the commit you are basing your branch from the master branch. You can take it from commits list of master branch before you submit a PR.

Checklist

• I agree with the Code Contribution License Agreement in CONTRIBUTING.md

[codecov]

Codecov Report

Attention: Patch coverage is 95.65217% with 3 lines in your changes missing coverage. Please review.

Project coverage is 94.05%. Comparing base (9be15f0) to head (5a931f8).
Report is 10 commits behind head on master.

Files with missing lines	Patch %	Lines
...yker/Zed/AppKernel/AppKernelDependencyProvider.php	70.00%	3 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##              master      #20      +/-   ##
=============================================
- Coverage     100.00%   94.05%   -5.95%     
- Complexity       173      232      +59     
=============================================
  Files             30       39       +9     
  Lines            627      858     +231     
=============================================
+ Hits             627      807     +180     
- Misses             0       51      +51     

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[stereomon]

Can you please add a proper description here?