chore(deps): bump com.webauthn4j:webauthn4j-core (#265)

Bumps [com.webauthn4j:webauthn4j-core](https://github.com/webauthn4j/webauthn4j) from 0.30.2.RELEASE to 0.31.0.RELEASE.
- [Release notes](https://github.com/webauthn4j/webauthn4j/releases)
- [Commits](webauthn4j/webauthn4j@0.30.2.RELEASE...0.31.0.RELEASE)

---
updated-dependencies:
- dependency-name: com.webauthn4j:webauthn4j-core
  dependency-version: 0.31.0.RELEASE
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

build.gradle

@@ -53,7 +53,7 @@ dependencies {
 
     // WebAuthn support (Passkey authentication)
     compileOnly 'org.springframework.security:spring-security-webauthn'
-    implementation 'com.webauthn4j:webauthn4j-core:0.30.2.RELEASE'
+    implementation 'com.webauthn4j:webauthn4j-core:0.31.0.RELEASE'
 
     // Lombok dependencies
     compileOnly "org.projectlombok:lombok:$lombokVersion"