fix: ambiguous SDK initializer

[cbaker6]

New Pull Request Checklist

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

Issue Description

Ambiguous initializer can cause build issues.

Approach

Updated signatures of SDK initializers.

TODOs before merging

• Add tests
• Add entry to changelog

[codecov-commenter]

Codecov Report

Merging #6 (fd500df) into main (c84b036) will decrease coverage by 2.79%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main       #6      +/-   ##
==========================================
- Coverage   90.42%   87.62%   -2.80%     
==========================================
  Files         161      161              
  Lines       16319    16277      -42     
==========================================
- Hits        14756    14263     -493     
- Misses       1563     2014     +451     

Impacted Files	Coverage Δ
Sources/ParseSwift/Parse.swift	99.19% <100.00%> (ø)
Sources/ParseSwift/Types/ParseConfiguration.swift	100.00% <100.00%> (ø)
Sources/ParseSwift/Objects/ParseObject.swift	73.96% <0.00%> (-16.50%)	⬇️
Sources/ParseSwift/Objects/ParseInstallation.swift	74.44% <0.00%> (-11.97%)	⬇️
Sources/ParseSwift/Objects/ParseUser.swift	77.62% <0.00%> (-10.52%)	⬇️
Sources/ParseSwift/Storage/ParseFileManager.swift	86.66% <0.00%> (-6.16%)	⬇️
...ources/ParseSwift/Storage/ParseKeyValueStore.swift	91.66% <0.00%> (-5.56%)	⬇️
Sources/ParseSwift/Types/ParseAnalytics.swift	90.74% <0.00%> (-1.45%)	⬇️
Sources/ParseSwift/Storage/KeychainStore.swift	95.44% <0.00%> (-1.14%)	⬇️
Sources/ParseSwift/LiveQuery/ParseLiveQuery.swift	76.16% <0.00%> (-0.59%)	⬇️
... and 6 more

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