refactor!: Change versionKey to variationKey. (#709) #468

Job	Run time
release-please	25s
release-tooling-jest	0s
release-common	0s
release-sdk-client	0s
release-sdk-server	0s
release-akamai-edgeworker-sdk	0s
release-sdk-server-edge	0s
release-browser	0s
release-react-native	0s
release-server-node	0s
release-server-ai	0s
release-akamai-base	0s
release-akamai-edgekv	0s
release-cloudflare	0s
release-node-server-sdk-otel	0s
release-node-server-sdk-dynamodb	0s
release-node-server-sdk-redis	0s
release-tooling-react-universal	0s
release-vercel	0s
	25s

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