Bump com.webauthn4j:webauthn4j-core

Bumps [com.webauthn4j:webauthn4j-core](https://github.com/webauthn4j/webauthn4j) from 0.28.5.RELEASE to 0.28.6.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@0.28.5.RELEASE...0.28.6.RELEASE)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -107,7 +107,7 @@ org-jfrog-buildinfo-build-info-extractor-gradle = "org.jfrog.buildinfo:build-inf
 org-sonarsource-scanner-gradle-sonarqube-gradle-plugin = "org.sonarsource.scanner.gradle:sonarqube-gradle-plugin:2.8.0.1969"
 org-instancio-instancio-junit = "org.instancio:instancio-junit:3.7.1"
 
-webauthn4j-core = 'com.webauthn4j:webauthn4j-core:0.28.5.RELEASE'
+webauthn4j-core = 'com.webauthn4j:webauthn4j-core:0.28.6.RELEASE'
 
 [plugins]