PR / feat: migrate to dedicated AWS account and update CI #4

Job	Run time
Check PR	26s
Paths Filter	3s
CI / Check App / Formatting	33s
CI / Check App / Unit Tests	1m 10s
CI / Check App / Clippy	42s
CI / Check App / Tests Suite "${{ matrix.element }}"	0s
CI / Check App / Unused Dependencies	1m 2s
CI / Check App / Licenses	56s
CI / Check Infra / Formatting	7s
CI / Check Infra / TFSec	31s
CI / Check Infra / Validate	24s
CI / Check Infra / TFLint	30s
CI / Plan Infra ❱❱ prod / Plan `prod`	1m 17s
CI / Plan Infra ❱❱ staging / Plan `staging`	1m 22s
Merge Check	0s
	9m 3s

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