* origin:
fix: ts
fix: forwardRef to SidebarItem
fix(cli): one more await in the test
backend-common: make loadBackendConfig return config directly and log all resolved app-configs
* 'master' of github.com:spotify/backstage: (110 commits)
chore(catalog-backend): removing redudant classes and some functions
chore(deps-dev): bump @types/webpack from 4.41.21 to 4.41.22 (#2765)
move codecov.yml to .github
feat(catalog-backend): add batch concurrency
create-app: remove build step
cli: simplify jest transform ignore regex
feat(catalog-backend): introduce batching, speed up reading and writing of large datasets
Techdocs: add Azure DevOps prepare support (#2748)
feat(techdocs-header): Show breadcrumbs on docs page (#2786)
changesets: add entry for create-app template location fix
create-app: revert to github location type for example templates
fix: make catalog filter work again
Use new url scheme for techdocs
feat: remove LocationProcessor.processEntity
Add Dockerfile for helm chart
feat: use the new UrlReader in the CodeOwnersProcessor
feat: use new UrlReader in PlaceholderProcessor
feat: remove the backstage.io/definition-at-location annotation
Update loud-lamps-visit.md
feat(proxy-backend): limit the forwarded http headers to a safe set
...