v5.20.0

What's Changed

• chore: update dependancies by @jonathannorris in #433
• chore: OIDC by @JamieSinn in #434
• update CLI for declaration merging by @ajwootto in #435
• Grant OIDC token perms by @JamieSinn in #436
• Add aws account id by @JamieSinn in #437

Full Changelog: v5.19.0...v5.20.0