Add utility classes for opacity (#33781)

Add utility classes for opacity (#33781)

* Add responsive utility classes for opacity

- fix for #33483

* remove responsive opacity utils as it has impact on bootstrap.css bundle size

* Update opacity.md

* Update site/content/docs/5.0/utilities/opacity.md

Co-authored-by: Mark Otto <otto@github.com>
* Update site/content/docs/5.0/utilities/opacity.md

Co-authored-by: Mark Otto <otto@github.com>
Co-authored-by: Harish <halodoc@ip-192-168-1-101.ap-southeast-1.compute.internal>
Co-authored-by: XhmikosR <xhmikosr@gmail.com>
Co-authored-by: Mark Otto <otto@github.com>
Co-authored-by: Mark Otto <markd.otto@gmail.com>
Co-authored-by: alpadev <2838324+alpadev@users.noreply.github.com>