docs: Fix version in change log

[cbaker6]

New Pull Request Checklist

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

Issue Description

Update version in changelog.

Related issue: #229

Approach

TODOs before merging

• Add entry to changelog

[parse-github-assistant]

Thanks for opening this pull request!

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

[codecov]

Codecov Report

Merging #231 (9f4e5e2) into main (85e8bd7) will decrease coverage by 0.02%.
The diff coverage is n/a.

❗ Current head 9f4e5e2 differs from pull request most recent head a5902b7. Consider uploading reports for the commit a5902b7 to get more accurate results

@@            Coverage Diff             @@
##             main     #231      +/-   ##
==========================================
- Coverage   83.69%   83.66%   -0.03%     
==========================================
  Files          76       76              
  Lines        7329     7329              
==========================================
- Hits         6134     6132       -2     
- Misses       1195     1197       +2     

Impacted Files	Coverage Δ
Sources/ParseSwift/Storage/ParseFileManager.swift	89.31% <0.00%> (-0.77%)	⬇️
Sources/ParseSwift/Coding/AnyEncodable.swift	61.18% <0.00%> (-0.66%)	⬇️

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