BRE-264 - Update build workflow to use API key for App Store Connect

[vgrassia]

Type of change

• Bug fix
• New feature development
• Tech debt (refactoring, code cleanup, dependency upgrades, etc)
• Build/deploy pipeline (DevOps)
• Other

Objective

• Card

This PR update the build workflow to use an API key for App Store Connect.

Code changes

• .github/workflows/build.yml: Add setup for private auth key and update environment variables for building application
• scripts/notarize.js: Update logic to use API key if environment variables are set.

[github-actions]

Checkmarx One – Scan Summary & Details – b3cdaf3f-83f3-4c00-b4ff-07a4a59a911f

New Issues

Severity	Issue	Source File / Package	Checkmarx Insight
	Unpinned Actions Full Length Commit SHA	/build.yml: 649	Pinning an action to a full length commit SHA is currently the only way to use an action as an immutable release. Pinning to a particular SHA helps...
	Use_Of_Hardcoded_Password	/scripts/notarize.js: 26	Attack Vector

Fixed Issues

Severity	Issue	Source File / Package
	Unpinned Actions Full Length Commit SHA	/build.yml: 641
	Use_Of_Hardcoded_Password	/scripts/notarize.js: 11