🚧Add upload asset feature to release client

[CalvinWilkinson]

Description:

To allow this pull request to be merged, please make sure that the following items of this pull request are complete.

This pull request closes #22

✅The pull request head branch must be a feature branch with the syntax 'feature/-sync-testing'.
✅The pull request base branch must be a 'main' or 'preview' branch..
✅The pull request head branch contains a valid issue number.
✅The pull request title matches the linked issue title exactly.
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✅The pull request labels match the labels of the issue.
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✅The pull requests milestone matches the milestone of the issue.

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[CalvinWilkinson]

Warning
Introduced https://github.com/KinsonDigital/kd_clients/labels/%F0%9F%A7%A8breaking%20changes

1. Removed the function getReleaseByTag from the ReleaseClient. This has been replaced by the new getRelease function
2. Removed the function getReleaseByName from the ReleaseClient. This has been replaced by the new getRelease function

[CalvinWilkinson]

Note
Added https://github.com/KinsonDigital/kd_clients/labels/%E2%9C%A8new%20feature 's:

1. Add a new function to the ReleaseClient class with the name uploadAssets to upload one or more assets to a releease.