TBR: v23/internal/test: add vlabproxy to the staging services to update in release.go
TBR: v23/internal/test: add vlabproxy to the staging services to update in release.go

Change-Id: I2430e70a4a01ff4fc1a6a02fb05a649a418d9df8

vanadium/go.jiri,vanadium/go.jiri