Switch CloudCode to similar syntax as JS SDK. Update podspec

[cbaker6]

Minor updates

[codecov]

Codecov Report

Merging #46 (53a9376) into main (f124d0a) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main      #46   +/-   ##
=======================================
  Coverage   76.53%   76.53%           
=======================================
  Files          35       35           
  Lines        3239     3239           
=======================================
  Hits         2479     2479           
  Misses        760      760           

Impacted Files	Coverage Δ
Sources/ParseSwift/Objects/ParseInstallation.swift	83.08% <ø> (ø)
Sources/ParseSwift/Types/ParseCloud.swift	97.29% <100.00%> (ø)

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