fix(deps): update dependency @edx/edx-bootstrap to v2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@edx/edx-bootstrap (source)	1.0.4 -> 2.6.0

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Release Notes

edx/edx-bootstrap (@​edx/edx-bootstrap)

v2.6.0

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v2.5.0

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v2.4.2

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v2.4.1

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v2.4.0

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v2.3.1

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Reverts

• Revert "chore(deps): update dependency semantic-release to v20 (#​100)" (#​213) (1c28b53), closes #​100 #​213

v2.3.0

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Bug Fixes

• added matrix to use node 12 and 16 in release workflow (#​201) (7ea98b3)
• node-version updated to 16 in npm-publish workflow (#​200) (5303e52)

Features

• upgraded to node v16 (#​204) (cf0fd15)

v2.2.4

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Bug Fixes

• fix github url strings (org edx -> openedx) (b013282)
• update path to .github workflows to read from openedx org (53b6006)

v2.2.3

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Bug Fixes

• deps: update dependency bootstrap to v4.6.0 (11c6cc1)
• deps: update dependency bootstrap to v4.6.1 (6bb32a7)

v2.2.2

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Bug Fixes

• remove roboto 300 (#​54) (5aa4a48)

v2.2.1

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Bug Fixes

• update spacing of icons in button (#​52) (1da6659)

v2.2.0

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Features

• add responsive type scale (#​51) (cd7e37f)

v2.1.0

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Features

• update typography and button focus states (#​49) (cd7841f)

v2.0.1

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Bug Fixes

• update to button colors (#​48) (ae06020)

v2.0.0

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Bug Fixes

• use default flag for custom variables (#​47) (756c88a)
• use defaults in open edx theme vars too (6d8d153)

Features

• new bootstrap theme and demo application (#​46) (e0e1323)

BREAKING CHANGES

• SCSS files for import are in new locations. See the README to update your scss files.

• Semantic release now manages releases
• Create-react-app demo site has been added to the project
• Massive style and theme update

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