feat: add release workflow (#5560)

* feat(ci): add draft release workflow

* refactor: delete old release-github workflows

* fixup! refactor: delete old release-github workflows

* fixup! refactor: delete old release-github workflows

* Update .github/workflows/release.yaml

* fixup!: remove release-notes.txt

* fixup!: change branch to current

ci/lib.sh

@@ -44,47 +44,6 @@ arch() {
   echo "$cpu"
 }
 
-# Grabs the most recent ci.yaml github workflow run that was triggered from the
-# pull request of the release branch for this version (regardless of whether
-# that run succeeded or failed). The release branch name must be in semver
-# format with a v prepended.
-# This will contain the artifacts we want.
-# https://developer.github.com/v3/actions/workflow-runs/#list-workflow-runs
-get_artifacts_url() {
-  local artifacts_url
-  local version_branch="release/v$VERSION"
-  local workflow_runs_url="repos/:owner/:repo/actions/workflows/ci.yaml/runs?event=pull_request&branch=$version_branch"
-  artifacts_url=$(gh api "$workflow_runs_url" | jq -r ".workflow_runs[] | select(.head_branch == \"$version_branch\") | .artifacts_url" | head -n 1)
-  if [[ -z "$artifacts_url" ]]; then
-    echo >&2 "ERROR: artifacts_url came back empty"
-    echo >&2 "We looked for a successful run triggered by a pull_request with for code-server version: $VERSION and a branch named $version_branch"
-    echo >&2 "URL used for gh API call: $workflow_runs_url"
-    exit 1
-  fi
-
-  echo "$artifacts_url"
-}
-
-# Grabs the artifact's download url.
-# https://developer.github.com/v3/actions/artifacts/#list-workflow-run-artifacts
-get_artifact_url() {
-  local artifact_name="$1"
-  gh api "$(get_artifacts_url)" | jq -r ".artifacts[] | select(.name == \"$artifact_name\") | .archive_download_url" | head -n 1
-}
-
-# Uses the above two functions to download a artifact into a directory.
-download_artifact() {
-  local artifact_name="$1"
-  local dst="$2"
-
-  local tmp_file
-  tmp_file="$(mktemp)"
-
-  gh api "$(get_artifact_url "$artifact_name")" > "$tmp_file"
-  unzip -q -o "$tmp_file" -d "$dst"
-  rm "$tmp_file"
-}
-
 rsync() {
   command rsync -a --del "$@"
 }