fix: async/await methods should be available for watchOS 8+

[cbaker6]

New Pull Request Checklist

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

Issue Description

Related issue: #n/a

Approach

Make methods match concurrency methods in OS

TODOs before merging

• Add entry to changelog
• Prepare for release

[parse-github-assistant]

Thanks for opening this pull request!

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

[codecov]

Codecov Report

Merging #265 (e07b2c8) into main (d6be35b) will increase coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #265      +/-   ##
==========================================
+ Coverage   82.29%   82.34%   +0.04%     
==========================================
  Files          99       99              
  Lines       10512    10512              
==========================================
+ Hits         8651     8656       +5     
+ Misses       1861     1856       -5     

Impacted Files	Coverage Δ
...cation/3rd Party/ParseApple/ParseApple+async.swift	100.00% <ø> (ø)
.../3rd Party/ParseFacebook/ParseFacebook+async.swift	100.00% <ø> (ø)
...tication/3rd Party/ParseLDAP/ParseLDAP+async.swift	100.00% <ø> (ø)
...on/3rd Party/ParseTwitter/ParseTwitter+async.swift	100.00% <ø> (ø)
...Authentication/Internal/ParseAnonymous+async.swift	100.00% <ø> (ø)
...tication/Protocols/ParseAuthentication+async.swift	85.71% <ø> (ø)
...es/ParseSwift/LiveQuery/ParseLiveQuery+async.swift	72.72% <ø> (ø)
...s/ParseSwift/Objects/ParseInstallation+async.swift	100.00% <ø> (ø)
Sources/ParseSwift/Objects/ParseObject+async.swift	100.00% <ø> (ø)
Sources/ParseSwift/Objects/ParseUser+async.swift	100.00% <ø> (ø)
... and 11 more

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