Add missing event data types

[seratch]

While auditing the latest updates on the platform, I found that a few events are not yet supported in this SDK.

Category (place an x in each of the [ ])

• [ ] bolt (Bolt for Java)
• [ ] bolt-{sub modules} (Bolt for Java - optional modules)
• [ ] slack-api-client (Slack API Clients)
• [x] slack-api-model (Slack API Data Models)
• [ ] *slack-api--kotlin-extension** (Kotlin Extensions for Slack API Clients)
• [x] slack-app-backend (The primitive layer of Bolt for Java)

Requirements

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[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 10 lines in your changes missing coverage. Please review.

Project coverage is 74.95%. Comparing base (2bae6fb) to head (ad2d6ec).

Files	Patch %	Lines
.../app_backend/events/handler/AppDeletedHandler.java	0.00%	2 Missing :warning:
...pp_backend/events/handler/AppInstalledHandler.java	0.00%	2 Missing :warning:
...kend/events/handler/AppUninstalledTeamHandler.java	0.00%	2 Missing :warning:
...ackend/events/handler/FunctionExecutedHandler.java	0.00%	2 Missing :warning:
...s/handler/SharedChannelInviteRequestedHandler.java	0.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1332 +/- ## ============================================ - Coverage 75.02% 74.95% -0.07% + Complexity 4187 4186 -1 ============================================ Files 446 451 +5 Lines 12920 12930 +10 Branches 1331 1331 ============================================ - Hits 9693 9692 -1 - Misses 2455 2466 +11 Partials 772 772 ```

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[seratch]

FYI for reviewers, all you need to do for Events API are 1) add event classes 2) add payload wrapper classes. Once they are added, you can refer to them in bolt-java without any changes on bolt-java side.