Update roots/wp-password-bcrypt requirement from 1.1.0 to 1.2.0

Updates the requirements on [roots/wp-password-bcrypt](https://github.com/roots/wp-password-bcrypt) to permit the latest version.
- [Release notes](https://github.com/roots/wp-password-bcrypt/releases)
- [Changelog](https://github.com/roots/wp-password-bcrypt/blob/master/CHANGELOG.md)
- [Commits](roots/wp-password-bcrypt@1.1.0...1.2.0)

---
updated-dependencies:
- dependency-name: roots/wp-password-bcrypt
  dependency-type: direct:production
...

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

composer.json

@@ -11,7 +11,7 @@
   "require": {
     "php": ">=7.1",
     "stuttter/wp-user-signups": "^5.0.2",
-    "roots/wp-password-bcrypt": "1.1.0",
+    "roots/wp-password-bcrypt": "1.2.0",
     "johnpbloch/wordpress": "6.4.5",
     "altis/cms-installer": "^0.4.4",
     "humanmade/clean-html": "^2.0.0",