(promote) release: build v5.9.347#1112

jdpleiness wants to merge 1 commit intointernal/release-v5.9.347sourcegraph/deploy-sourcegraph-docker:internal/release-v5.9.347from

promote/release-v5.9.347sourcegraph/deploy-sourcegraph-docker:promote/release-v5.9.347Copy head branch name to clipboard