Drop older browsers support

Match Bootstrap 5's browserslist, except for IE 11

Set version to alpha1 to allow CSV-SimpleForm to test against edge

Author: tagliala

CHANGELOG.md

@@ -7,7 +7,7 @@
   - `data-valid` => `data-csv-valid`
   - `data-validate` => `data-csv-validate`
 * [FEATURE] Use data attributes instead of `jQuery.data()`
-* [FEATURE] Drop Internet Explorer support
+* [FEATURE] Drop Internet Explorer and other older browsers support
 * [ENHANCEMENT] Update QUnit to 2.23.0
 
 ## 22.3.0 / 2024-11-12