fix: Prevent event loop thread blocking during keys resolution. (#102)

src/main/resources/application.properties

@@ -122,5 +122,6 @@ quarkus.otel.azure.applicationinsights.connection.string=InstrumentationKey=dumm
 # Location to retrieve public keys to verify access token when /token_info
 # resource is invoked.
 # ------------------------------------------------------------------------------
+quarkus.smallrye-jwt.blocking-authentication=true
 %dev.mp.jwt.verify.publickey.location=http://dummy
 %prod.mp.jwt.verify.publickey.location=${jwt-publickey-location}