Move things back to the workspace

[kevmoo]

No description provided.

[github-actions]

PR Health

Changelog Entry ❗

Package	Changed Files
package:build	build/pubspec.yaml
package:build_resolvers	build_resolvers/pubspec.yaml
package:build_runner	build_runner/pubspec.yaml
package:build_runner_core	build_runner_core/pubspec.yaml
package:build_web_compilers	build_web_compilers/pubspec.yaml

Changes to files need to be accounted for in their respective changelogs.

This check can be disabled by tagging the PR with skip-changelog-check.