Release 0.21.0 (#315)

### Added

- Add support to TaskFlow and improve dynamic task mapping support by
@tatiana in #314
- Render YML DAG config as DAG Docs by @pankajastro #305
- Support building DAGs out of topologically unsorted YAML files by
@tatiana in #307
- Add support for nested task groups by @glazunov996 and @pankajastro in
#292
- Add support for templating `on_failure_callback` by @jroach-astronomer
#252

### Fixed

- Fix compatibility with
apache-airflow-providers-cncf-kubernetes>=10.0.0 by @tatiana in #311
- Refactor telemetry to collect events during DAG run and not during DAG
parsing by @pankajastro #300

### Docs

- Fix reference for HttpSensor in README.md by @pankajastro in #277
- Add example DAG for task group by @pankajastro in #293
- Add CODEOWNERS by @pankajkoti in #270
- Update CODEOWNERS to track all files by @pankajkoti in #276
- Modified Status badge in README by @jaejun #298

### Others

- Refactor dynamic task mapping implementation by @tatiana in #313
- Remove pytest durations from tests by @tatiana in #309
- Remove DAG retries check since many DAGs have different retry values
by @tatiana in #310
- Lint fixes after running `pre-commit run --all-files` by @tatiana in
#312
- Remove redundant exception code by @pankajastro #294
- Add GitHub issue template for bug reports and feature requests by
@pankajkoti in #269

Closes: #223

Release 0.20.0 (#254)

### Added
- Support using envvar in config YAML by @tatiana in #236
- **Callback improvements**
- Support installed code via python callable string by @john-drews in
#221
- Add `callback_file` & `callback_name` to `default_args` DAG level by
@subbota19 in #218
- Cast callbacks to functions when set with `default_args` on TaskGroups
by @Baraldo and @pankajastro in #235

- **Telemetry**
- For more information, please, read the [Privacy
Notice](https://github.com/astronomer/dag-factory/blob/main/PRIVACY_NOTICE.md#collection-of-data).
  - Add scarf to readme for website analytics by @cmarteepants in #219
- Support telemetry during DAG parsing emitting data to Scarf by
@tatiana in #250.

### Fixed
- Build DAGs when tehre is an invalid YAML in the DAGs folder by @quydx
and @tatiana in #184

### Others
- Development tools
  - Fix make docker-run by @pankajkoti in #249
  - Add vim dot files to .gitignore by @tatiana in #228
  - Use Hatchling to modern package building by @kaxil in #208
- CI
  - Fix static check failures in PR #218 by @pankajkoti in #251
  - Fix pre-commit checks by @tatiana in #247
  - Remove tox and corresponding build jobs in CI by @pankajkoti in #248
- Install Airflow with different versions in the CI by @pankajkoti in
#237
  - Run pre-commit hooks on all existing files by @pankajkoti in #245
  - Add Python 3.11 and 3.12 to CI test pipeline by @pankajkoti in #229
- Tests
  - Fix duplicate test name by @pankajastro in #234
  - Add static check by @pankajastro in #231
  - Fix running tests locally (outside the CI) by @tatiana in #227
  - Add the task_2 back to dataset example by @cmarteepants in #204
  - Remove unnecessary config line by @jlaneve in #202
- Documentation
  - Update the license from MIT to Apache 2.0 by @pankajastro in #191
- Add registration icon and links to Airflow references by @cmarteepants
in #190
  - Update quickstart and add feature examples by @cmarteepants #189

### Breaking changes
- Removed support for Python 3.7
- The license was changed from MIT to Apache 2.0

Closes: #217

Release 0.20.0rc1

Fix yml issue

bump version and changelog

bump version and changelog

bump version and changelog

revert kubernetes inheritance change (#158)

* return slightly more meaningful exceptions

* fmt

* return slightly more meaningful exceptions

* cleanup tests

* revert broken change

* remove 1.10.6 test

update changelog and bump version

update changelog and bump version