fix: Bump cocoapods minimum Swift version to 5.7

[cbaker6]

New Pull Request Checklist

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

Issue Description

Approach

TODOs before merging

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.35%. Comparing base (48b38b1) to head (d80995c).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #181   +/-   ##
=======================================
  Coverage   91.34%   91.35%           
=======================================
  Files         179      179           
  Lines       12162    12162           
=======================================
+ Hits        11109    11110    +1     
+ Misses       1053     1052    -1     

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