Refactor SecretsResolver to KMS #343

Job	Run time
verify-uniffi (macos-latest)	55s
verify-uniffi (windows-latest)	53s
verify (macos-latest)	55s
verify-wasm (macos-latest, 14)	4m 54s
verify-uniffi (ubuntu-latest)	44s
verify (windows-latest)	1m 26s
release-ready	0s
verify-wasm (macos-latest, 16)	3m 47s
verify (ubuntu-latest)	33s
verify-wasm (windows-latest, 14)	6m 57s
verify-wasm (windows-latest, 16)	3m 31s
verify-wasm (ubuntu-latest, 14)	2m 59s
verify-wasm (ubuntu-latest, 16)	2m 38s
	30m 12s

Provide feedback