refactor(backend): update rate caching #1128

Job	Run time
version-generator	7s
prerequisite	38s
docker-build (linux/amd64, amd64, auth)	1m 26s
docker-build (linux/amd64, amd64, backend)	1m 24s
docker-build (linux/amd64, amd64, frontend)	1m 26s
docker-build (linux/arm64, arm64, auth)	4m 12s
docker-build (linux/arm64, arm64, backend)	5m 13s
docker-build (linux/arm64, arm64, frontend)	3m 52s
auth	1m 42s
frontend	41s
codeql-analyze (javascript, ./.github/codeql/source.yml)	1m 56s
backend	4m 44s
integration-test	2m 20s
graphql (auth)	2m 30s
mock-account-servicing-entity	32s
codeql-analyze (javascript, ./.github/codeql/tests.yml)	1m 29s
graphql (backend)	2m 34s
token-introspection	45s
Docker Grype Scan (linux/amd64, amd64, auth)	19s
Docker Grype Scan (linux/amd64, amd64, backend)	18s
Docker Grype Scan (linux/amd64, amd64, frontend)	18s
Docker Grype Scan (linux/arm64, arm64, auth)	15s
Docker Grype Scan (linux/arm64, arm64, backend)	15s
Docker Trivy Scan (linux/amd64, amd64, auth)	10s
Docker Grype Scan (linux/arm64, arm64, frontend)	19s
Docker Trivy Scan (linux/amd64, amd64, backend)	9s
Docker Trivy Scan (linux/amd64, amd64, frontend)	10s
Docker Trivy Scan (linux/arm64, arm64, auth)	12s
Docker Trivy Scan (linux/arm64, arm64, backend)	15s
Docker Trivy Scan (linux/arm64, arm64, frontend)	11s
node-build	34s
Push to registry	0s
generate-release	0s
	40m 56s

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