Bump com.password4j:password4j from 1.8.2 to 1.8.4

Bumps [com.password4j:password4j](https://github.com/Password4j/password4j) from 1.8.2 to 1.8.4.
- [Release notes](https://github.com/Password4j/password4j/releases)
- [Changelog](https://github.com/Password4j/password4j/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Password4j/password4j/compare/1.8.2...1.8.4)

---
updated-dependencies:
- dependency-name: com.password4j:password4j
  dependency-version: 1.8.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

gradle/libs.versions.toml

@@ -13,7 +13,7 @@ org-jetbrains-kotlinx = "1.10.2"
 org-mockito = "5.17.0"
 org-opensaml5 = "5.1.6"
 org-springframework = "7.0.0-M9"
-com-password4j = "1.8.2"
+com-password4j = "1.8.4"
 
 [libraries]
 ch-qos-logback-logback-classic = "ch.qos.logback:logback-classic:1.5.18"