Update scalafmt-core to 3.10.1

🚨 Run scalafix

Update scalafmt-core to 3.8.3

💚 Temporarily set mimaPreviousArtifacts to empty for breaking release.

🗑 Deprecate not needed IdTokenVerifierMock Traverse requirements.

Update scalafmt-core to 3.7.17

💥 Acknowledge [breaking] changes.

♻️ ✨ Add static methods to IdTokenVerifier and PublicKeyProvider. Ref…

…actor other factory methods.

✅ Add tests for verifyAndDecodeCustom with client ID check.

📝 Write README part for verifyAndDecodeCustom.