build(deps): bump github.com/grpc-ecosystem/grpc-gateway from 1.12.1 to 1.15.2#19

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dependabot/go_modules/github.com/grpc-ecosystem/grpc-gateway-1.15.2Container-Projects/argo:dependabot/go_modules/github.com/grpc-ecosystem/grpc-gateway-1.15.2Copy head branch name to clipboard