Build fails if quarkus-oidc-client is not in the classpath #824
Description
As part of the build generation introduced in #795, the latest release now breaks projects that are not using OIDC:
[ERROR] Failed to execute goal com.redhat.quarkus.platform:quarkus-maven-plugin:3.8.4.redhat-00002:build (default) on project openapi-bug: Failed to build quarkus application: io.quarkus.builder.BuildException: Build failure: Build failed due to errors
[ERROR] [error]: Build step io.quarkiverse.openapi.generator.deployment.GeneratorProcessor#additionalBean threw an exception: java.lang.NoClassDefFoundError: io/quarkus/oidc/client/runtime/AbstractTokensProducer
[ERROR] at java.base/java.lang.ClassLoader.defineClass1(Native Method)
[ERROR] at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1017)
[ERROR] at io.quarkus.bootstrap.classloading.QuarkusClassLoader.loadClass(QuarkusClassLoader.java:508)
[ERROR] at io.quarkus.bootstrap.classloading.QuarkusClassLoader.loadClass(QuarkusClassLoader.java:468)
[ERROR] at io.quarkiverse.openapi.generator.deployment.GeneratorProcessor.additionalBean(GeneratorProcessor.java:72)
[ERROR] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
[ERROR] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[ERROR] at java.base/java.lang.reflect.Method.invoke(Method.java:569)
[ERROR] at io.quarkus.deployment.ExtensionLoader$3.execute(ExtensionLoader.java:849)
[ERROR] at io.quarkus.builder.BuildContext.run(BuildContext.java:256)
[ERROR] at org.jboss.threads.ContextHandler$1.runWith(ContextHandler.java:18)
[ERROR] at org.jboss.threads.EnhancedQueueExecutor$Task.run(EnhancedQueueExecutor.java:2513)
[ERROR] at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1538)
[ERROR] at java.base/java.lang.Thread.run(Thread.java:840)
[ERROR] at org.jboss.threads.JBossThread.run(JBossThread.java:501)
[ERROR] Caused by: java.lang.ClassNotFoundException: io.quarkus.oidc.client.runtime.AbstractTokensProducer
[ERROR] at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42)
[ERROR] at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:225)
[ERROR] at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:210)
[ERROR] at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:205)
[ERROR] at io.quarkus.bootstrap.classloading.QuarkusClassLoader.loadClass(QuarkusClassLoader.java:518)
[ERROR] at io.quarkus.bootstrap.classloading.QuarkusClassLoader.loadClass(QuarkusClassLoader.java:468)
[ERROR] ... 16 more
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
This openAPI spec doesn't even have security tags, so all the authz classes should be skipped and not generated.