(promote) release: build v6.4.2622#1220

Chickensoupwithrice wants to merge 1 commit intointernal/release-v6.4.2622sourcegraph/deploy-sourcegraph-docker:internal/release-v6.4.2622from

promote/release-v6.4.2622sourcegraph/deploy-sourcegraph-docker:promote/release-v6.4.2622Copy head branch name to clipboard