This partially reverts commit 9c2b9ac7.

Also add v4.5.0 in versions and keep README.md pointing to v4.5.0 so that there are no broken stuff.

Missed those in 967e6071

This reverts commit 85c4788d.

This reverts commit b8abded0.

Use the recommended karma-browserstack-launcher settings

* Remove unneeded rule suppression
* Format tests/unit/.eslintrc.json
* build/.eslintrc.json: add strict for consistency

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

No need for fixEvent() anymore

`config` can be an `Object` and we only need to test for `hide` or `show` if it's a `String`

This is supported by our currently supported browsers.

It's supported by all of our supported browsers.

Add aria-role presentation on li element when ul element has role tablist and remove dropdown from visual tests as they've been removed from doc

fix: ensure `totype` always returns stringified null/undefined when null/undefined is passed (#30383)

This allows the minifier to mangle the constants. It also allows the linter to find unused strings properly.

While at it, remove a few unused properties.

File                        Before      After       Diff
--------------------------------------------------------
bootstrap.bundle.min.js     23.61 kB    22.61 kB    -1.00 kB (-4.23 %)
bootstrap.min.js            17.04 kB    16.08 kB    -0.96 kB (-5.63 %)