chore(deps): bump webauthn4jVersion

Bumps `webauthn4jVersion` from 0.28.3.RELEASE to 0.28.4.RELEASE.

Updates `com.webauthn4j:webauthn4j-util` from 0.28.3.RELEASE to 0.28.4.RELEASE
- [Release notes](https://github.com/webauthn4j/webauthn4j/releases)
- [Changelog](https://github.com/webauthn4j/webauthn4j/blob/master/github-release-notes-generator.yml)
- [Commits](webauthn4j/webauthn4j@0.28.3.RELEASE...0.28.4.RELEASE)

Updates `com.webauthn4j:webauthn4j-core` from 0.28.3.RELEASE to 0.28.4.RELEASE
- [Release notes](https://github.com/webauthn4j/webauthn4j/releases)
- [Changelog](https://github.com/webauthn4j/webauthn4j/blob/master/github-release-notes-generator.yml)
- [Commits](webauthn4j/webauthn4j@0.28.3.RELEASE...0.28.4.RELEASE)

Updates `com.webauthn4j:webauthn4j-metadata` from 0.28.3.RELEASE to 0.28.4.RELEASE
- [Release notes](https://github.com/webauthn4j/webauthn4j/releases)
- [Changelog](https://github.com/webauthn4j/webauthn4j/blob/master/github-release-notes-generator.yml)
- [Commits](webauthn4j/webauthn4j@0.28.3.RELEASE...0.28.4.RELEASE)

Updates `com.webauthn4j:webauthn4j-test` from 0.28.3.RELEASE to 0.28.4.RELEASE
- [Release notes](https://github.com/webauthn4j/webauthn4j/releases)
- [Changelog](https://github.com/webauthn4j/webauthn4j/blob/master/github-release-notes-generator.yml)
- [Commits](webauthn4j/webauthn4j@0.28.3.RELEASE...0.28.4.RELEASE)

---
updated-dependencies:
- dependency-name: com.webauthn4j:webauthn4j-util
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.webauthn4j:webauthn4j-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.webauthn4j:webauthn4j-metadata
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.webauthn4j:webauthn4j-test
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -22,7 +22,7 @@ buildscript {
         asciidoctorGradleVersion = "4.0.4"
 
         //Libraries
-        webauthn4jVersion = '0.28.3.RELEASE'
+        webauthn4jVersion = '0.28.4.RELEASE'
         springSecurityVersion = '6.0.2'
 
     }