docs(RELEASING.md):fix typo (#2430)
docs(RELEASING.md):fix typo (#2430)

Co-authored-by: Chester Cheung <760fe93daa1cebec1d1c06d4b99ae63131f99471@gmail.com>
open-telemetry/opentelemetry-go-contrib,open-telemetry/opentelemetry-go-contrib,open-telemetry/opentelemetry-go-contrib