requestSharedInvite approve/deny/list sample JSON payloads

[filmaj]

These are samples for the following APIs (only available in dev right now):

• conversations.requestSharedInvite.list
• conversations.requestSharedInvite.deny
• conversations.requestSharedInvite.approve

I am issuing this PR to the slack-connect-invite-automation branch as a base, as these APIs are being piloted and should not be merged into main until after the customer pilot for these APIs is complete.

[codecov]

Codecov Report

Attention: Patch coverage is 71.06918% with 46 lines in your changes missing coverage. Please review.

Project coverage is 74.81%. Comparing base (d8eb0d2) to head (9f8f1d2).

Files with missing lines	Patch %	Lines
...ck/api/bolt/jakarta_socket_mode/SocketModeApp.java	62.50%	28 Missing and 5 partials ⚠️
bolt/src/main/java/com/slack/api/bolt/App.java	57.14%	2 Missing and 4 partials ⚠️
...m/slack/api/bolt/request/builtin/EventRequest.java	57.14%	0 Missing and 3 partials ⚠️
...ck/api/bolt/request/builtin/ViewClosedRequest.java	33.33%	1 Missing and 1 partial ⚠️
.../main/java/com/slack/api/bolt/context/Context.java	83.33%	0 Missing and 1 partial ⚠️
...k/api/bolt/request/builtin/BlockActionRequest.java	85.71%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@                          Coverage Diff                          @@
##             slack-connect-invite-automation    #1333      +/-   ##
=====================================================================
- Coverage                              74.95%   74.81%   -0.14%     
- Complexity                              4186     4273      +87     
=====================================================================
  Files                                    451      457       +6     
  Lines                                  12930    13276     +346     
  Branches                                1331     1369      +38     
=====================================================================
+ Hits                                    9692     9933     +241     
- Misses                                  2466     2545      +79     
- Partials                                 772      798      +26     

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[seratch]

Having error properties is recommended, but if you need this anyways, you can go ahead

[seratch]

Like other APIs, "error": "", and "response_metadata": { ... } (response_metadata does not always exist tho) should exist for error patterns. That said, if you need only these properties so far, it's okay to go ahead with it.

[seratch]

@filmaj If you just want to generate the response type, you can manually add it for now. Once the response data structure is finalized and this repo's main branch supports it, the manually crafted one will be automatically replaced by the quicktype script then.