feat: add support for ParseFile and beforeConnect triggers

[cbaker6]

New Pull Request Checklist

• [x] I am not disclosing a vulnerability.
• [x] I am creating this PR in reference to an issue.

Issue Description

In order to create a ParseFile trigger, the developer has to know to pass @File for className. Similarly, the developer also needs to pass @Connect for .beforeConnect.

Fixes some issues with decoding query properties from the server.

Related issue: #n/a

Approach

Add another initializer that can determine what className to create the trigger for based on the trigger type.

TODOs before merging

• [x] Add tests
• [x] Add entry to changelog
• [x] Add changes to documentation (guides, repository pages, in-code descriptions)

[parse-github-assistant[bot]]

Thanks for opening this pull request!

• 🎉 We are excited about your hands-on contribution!

[codecov[bot]]

Codecov Report

Merging #376 (2062ab3) into main (97885ce) will increase coverage by 0.01%. The diff coverage is 98.78%.

@@            Coverage Diff             @@
##             main     #376      +/-   ##
==========================================
+ Coverage   89.52%   89.54%   +0.01%     
==========================================
  Files         152      152              
  Lines       13885    13965      +80     
==========================================
+ Hits        12431    12505      +74     
- Misses       1454     1460       +6     

Impacted Files	Coverage Δ
...es/ParseSwift/Types/ParseHookFunctionRequest.swift	100.00% <ø> (ø)
...ces/ParseSwift/Types/ParseHookTriggerRequest.swift	100.00% <ø> (ø)
Sources/ParseSwift/Types/Query.swift	95.14% <98.46%> (+0.27%)	:arrow_up:
...rces/ParseSwift/LiveQuery/LiveQueryConstants.swift	50.00% <100.00%> (ø)
...es/ParseSwift/Protocols/ParseHookRequestable.swift	100.00% <100.00%> (ø)
...es/ParseSwift/Protocols/ParseHookTriggerable.swift	100.00% <100.00%> (ø)
Sources/ParseSwift/LiveQuery/ParseLiveQuery.swift	76.09% <0.00%> (-0.59%)	:arrow_down:
Sources/ParseSwift/Objects/ParseObject.swift	85.10% <0.00%> (-0.16%)	:arrow_down:

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