chore: Add TS 5.0

[WoH]

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Potential Problems With The Approach

Test plan

[WoH]

We probably want to have a Test suite that has esm/cjs + new decorators. They seem to work seemlessly, but having regression tests look like a reasonable investment

[github-actions]

This PR is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 5 days