fix(storage): add metadata support to uploads

[phantumcode]

Issue #

#2744

Description

• Include metadata in s3 uploads

General Checklist

• Added new tests to cover change, if needed
• Build succeeds with all target using Swift Package Manager
• All unit tests pass
• All integration tests pass
• Security oriented best practices and standards are followed (e.g. using input sanitization, principle of least privilege, etc)
• Documentation update for the change if required
• PR title conforms to conventional commit style
• New or updated tests include Given When Then inline code documentation and are named accordingly testThing_condition_expectation()
• If breaking change, documentation/changelog update with migration instructions

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

Merging #3295 (032ea2c) into main (efc0061) will decrease coverage by 0.04%.
Report is 2 commits behind head on main.
The diff coverage is 20.00%.

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@@            Coverage Diff             @@
##             main    #3295      +/-   ##
==========================================
- Coverage   64.32%   64.28%   -0.04%     
==========================================
  Files        1075     1075              
  Lines       35880    35887       +7     
==========================================
- Hits        23079    23070       -9     
- Misses      12801    12817      +16     

Flag	Coverage Δ
API_plugin_unit_test	67.07% <ø> (ø)
AWSPluginsCore	66.15% <ø> (ø)
Amplify	47.84% <ø> (-0.02%)	⬇️
Analytics_plugin_unit_test	81.37% <ø> (ø)
Auth_plugin_unit_test	73.98% <ø> (-0.11%)	⬇️
CoreMLPredictions_plugin_unit_test	59.44% <ø> (ø)
DataStore_plugin_unit_test	80.07% <ø> (+0.01%)	⬆️
Geo_plugin_unit_test	70.75% <ø> (ø)
Logging_plugin_unit_test	63.09% <ø> (ø)
Predictions_plugin_unit_test	37.29% <ø> (ø)
PushNotifications_plugin_unit_test	60.29% <ø> (ø)
Storage_plugin_unit_test	54.18% <20.00%> (-0.06%)	⬇️
unit_tests	64.28% <20.00%> (-0.04%)	⬇️

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Files	Coverage Δ
...lugin/AWSS3StoragePlugin+AsyncClientBehavior.swift	96.47% <100.00%> (+0.04%)	⬆️
.../AWSS3StorageService+GetPreSignedURLBehavior.swift	78.57% <100.00%> (+0.79%)	⬆️
...n/Dependency/AWSS3PreSignedURLBuilderAdapter.swift	12.82% <0.00%> (ø)
...Storage/AWSS3StorageService+DownloadBehavior.swift	0.00% <0.00%> (ø)
...e/Storage/AWSS3StorageService+UploadBehavior.swift	0.00% <0.00%> (ø)
.../AWSS3StorageService+MultiPartUploadBehavior.swift	0.00% <0.00%> (ø)
...upport/Internal/StorageMultipartUploadClient.swift	1.75% <0.00%> (-0.04%)	⬇️

... and 9 files with indirect coverage changes

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