Change grid classes to utilities to make vertical nav example more resilient to narrow viewports (#31785)

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

Bumps [eslint-plugin-import](https://github.com/benmosher/eslint-plugin-import) from 2.22.0 to 2.22.1.
- [Release notes](https://github.com/benmosher/eslint-plugin-import/releases)
- [Changelog](https://github.com/benmosher/eslint-plugin-import/blob/master/CHANGELOG.md)
- [Commits](https://github.com/benmosher/eslint-plugin-import/compare/v2.22.0...v2.22.1

)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bumps [rollup](https://github.com/rollup/rollup) from 2.28.1 to 2.28.2.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v2.28.1...v2.28.2

)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bumps [eslint](https://github.com/eslint/eslint) from 7.9.0 to 7.10.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/eslint/eslint/compare/v7.9.0...v7.10.0

)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bumps [karma](https://github.com/karma-runner/karma) from 5.2.2 to 5.2.3.
- [Release notes](https://github.com/karma-runner/karma/releases)
- [Changelog](https://github.com/karma-runner/karma/blob/master/CHANGELOG.md)
- [Commits](https://github.com/karma-runner/karma/compare/v5.2.2...v5.2.3

)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: XhmikosR <xhmikosr@gmail.com>

Bumps [bundlewatch](https://github.com/bundlewatch/bundlewatch) from 0.3.0 to 0.3.1.
- [Release notes](https://github.com/bundlewatch/bundlewatch/releases)
- [Commits](https://github.com/bundlewatch/bundlewatch/compare/v0.3.0...v0.3.1

)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Just to save a few bytes from the compressed files.

* Hide the docs nav on mobile, redesign it for two columns on narrow devices

* Tweak spacing on ToC

* Redesign sidebar and subnav

* Revamp subnav mobile layout so everything's on one line

* Tighten up masthead a little

* Switch the icon for the subnav and do a little icon toggling

* Fix mobile overflow since we changed guters stuff

* Add the widths

* make the subnav icon purple

Fix unintentional unit change in https://github.com/twbs/bootstrap/commit/1af79bbc5267428af9fcb4a8fc9e6ab0b30328f4#diff-d8ee409a461718bfb6240710c8c73382

* Replace existing carousel control icons with chevrons from Bootstrap Icons

* Add .carousel-dark variant

* Test

* Add variable for .carousel-dark filter

* Update _variables.scss

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

* Add .dropdown-menu-dark

* Match background color to navbar dark

* Update docs to include a navbar example

* Update dropdowns.md

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

- Replaces make-container mixin's padding-x param with gutter to match naming
- Changes value of container padding variable to match grid gutter width variable
- Uses local CSS variable for container padding

Fixes #31642

- Remove group selector for ratio items
- Drop the .ratio-item entirely
- Update docs to explain updated approach
- Update Migration guide to reflect the latest

- Renames .embed-responsive-XbyY classes to .embed-responsive-XxY
- Simplifies the Sass map to just be key and value, ratio and percentage
- Builds .embed-responsive-* modifiers with CSS variables
- Updates docs to show power of CSS variables
- Add notes to the Migration guide

Update toasts dismiss (moving more styles to CSS instead of utilities), fix some more close examples, and add a new .btn-close-white variant