v21.2.16
refactor(bazel): reduce build deps (#63348)
docs(docs-infra): implement search history (#61866)
docs(docs-infra): preserve navigation origin when clicking cross-category links
test(docs-infra): Use the zoneless testing rule (#62596)
docs(docs-infra): don't discard favorites in search history when reselected (#63906)
docs(docs-infra): avoid persistent AbortSignal listener in wait debounce in search
refactor(docs-infra): migrate @angular/docs from dev-infra into adev directory (#57132)
feat(docs-infra): Adds copy link to anchor functionality