Merge pull request #9697 from ipfs/release-v0.19.0

.circleci/main.yml

.github/workflows/build.yml

.github/workflows/codeql-analysis.yml

.github/workflows/docker-build.yml

.github/workflows/docker-image.yml

.github/workflows/gobuild.yml

.github/workflows/golang-analysis.yml

.github/workflows/golint.yml

.github/workflows/gotest.yml

.github/workflows/runner.yml

.github/workflows/sharness.yml

.github/workflows/sync-release-assets.yml

.github/workflows/testground-on-push.yml

CHANGELOG.md

README.md

Rules.mk

assets/README.md

assets/assets.go

assets/dag-index-html/README.md

assets/dag-index-html/index.go