Chore(ci): Introduce new preversion and graduate targets for creating a prerelease version

[literat]

refs #DS-1434

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[netlify]

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Lighthouse	1 paths audited Performance: 96 (no change from production) Accessibility: 93 (no change from production) Best Practices: 100 (no change from production) SEO: 82 (no change from production) PWA: - View the detailed breakdown and full score reports

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[coveralls]

coverage: 79.469%. remained the same
when pulling 81ef9b8 on chore/prerelease-graduate-target
into 949b633 on main.