Normalize registry before creating path to destination images

[EyeCantCU]

Description

Ensures usernames in the registry path are always lowercase. This fixes an issue where user's with uppercase letters in their username can't push to container registries

Related Issue(s)

Resolves: #67

Checklist

• This PR includes a documentation change
• This PR does not need a documentation change

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• This PR includes test changes
• This PR's changes are already tested

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• This change is not user-facing
• This change is a patch change
• This change is a minor change
• This change is a major (breaking) change

Changes made

• Normalizes input for registry passed to the action
• Updates distributed bundle

[andreyrd]

Can this get merged?:) Figured out why my new pipeline was failing...

Edit: The easiest solution is to manually put the lowercase version of your username into the workflow file, but this would help new users not run into the same issue.