* Use authenticated Docker pulls (#167)

* Update CODEOWNERS

* Bump dot-prop from 4.2.0 to 4.2.1

Bumps [dot-prop](https://github.com/sindresorhus/dot-prop) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/sindresorhus/dot-prop/releases)
- [Commits](sindresorhus/dot-prop@v4.2.0...v4.2.1)

Signed-off-by: dependabot[bot] <[email protected]>

* improve dash import test
see plotly/dash#1143

* changelog for import bug fix

* update extract-attributes script for latest MDN page structure
and provide an error message if we see the page structure change
in the future

* description for setProps - to reduce warnings

* use dash loosen-testing-reqs branch and fix linting

* Fix spelling

* back to dev branch of dash

* bump ci images versions

* Update config.yml

* update component gen for MDN update Jan 2021

* error message if element count changes from expectation

* add reference to MDN PR with the math & svg addition

* bump to v1.1.2 (#176)

* Remove context reference from CircleCI (#175)

* fix ObjectEl data prop

* add deprecation notes on some elements, and fix for a few more changes to MDN

* update tests, and add tests for custom docs and ObjectEl

* move percy to py37 and separate out finalize step

* more test cleanup

* one more try to combine percy snapshots

* changelog for #178

* Add `allow` prop to html.Iframe

* Add `referrerPolicy` prop and update tests

* Add `referrerPolicy` prop and update tests

* Updated changelog  Fixes #77

* Update CHANGELOG.md

* Bump elliptic from 6.5.3 to 6.5.4

Bumps [elliptic](https://github.com/indutny/elliptic) from 6.5.3 to 6.5.4.
- [Release notes](https://github.com/indutny/elliptic/releases)
- [Commits](indutny/elliptic@v6.5.3...v6.5.4)

Signed-off-by: dependabot[bot] <[email protected]>

* update toolchain

* Update CI images & py37 -> py39

* Bump y18n from 4.0.0 to 4.0.1

Bumps [y18n](https://github.com/yargs/y18n) from 4.0.0 to 4.0.1.
- [Release notes](https://github.com/yargs/y18n/releases)
- [Changelog](https://github.com/yargs/y18n/blob/master/CHANGELOG.md)
- [Commits](https://github.com/yargs/y18n/commits)

Signed-off-by: dependabot[bot] <[email protected]>

* remove css

* version bump 1.1.3 (#184)

* version bump to 1.1.3

* update changelog

* artifacts

Co-authored-by: Ryan Patrick Kyle <[email protected]>
Co-authored-by: Marc-André Rivet <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: alexcjohnson <[email protected]>
Co-authored-by: Alex Johnson <[email protected]>
Co-authored-by: John Bampton <[email protected]>
Co-authored-by: Marc-André Rivet <[email protected]>
Co-authored-by: Ann Marie Ward <[email protected]>