Dev prod workflow, test coverage upload

[CallumNZ]

Reference: https://github.com/GeoNet/tickets/issues/15843

Note: need to update branch checks.

Changes proposed in this pull request:

• Split dev and prod workflows.
• Upload test coverage report to S3 on merge to main.
• Use success step for branch check.

Production Changes

The following production changes are required to deploy these changes:

• None

Review

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