Make ResponseBuilderImpl more ipv6 aware

[shawkins]

Adds a check for ipv6 style host addresses.

The only thing that still looks odd is the content location header value is a URI - should it be a String instead?

closes: #46430

[geoand]

Thanks!

[gsmet]

I force pushed a fix for the formatting issue.

[quarkus-bot]

Status for workflow Quarkus CI

This is the status report for running Quarkus CI on commit 1e58884.

✅ The latest workflow run for the pull request has completed successfully.

It should be safe to merge provided you have a look at the other checks in the summary.

You can consult the Develocity build scans.

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Flaky tests - Develocity

⚙️ JVM Tests - JDK 17

📦 extensions/panache/hibernate-reactive-rest-data-panache/deployment

✖ io.quarkus.hibernate.reactive.rest.data.panache.deployment.repository.PanacheRepositoryResourcePutMethodTest.shouldUpdateSimpleObject - History

• 1 expectation failed. JSON path name doesn't match. Expected: is "first-test" Actual: first - java.lang.AssertionError

java.lang.AssertionError: 
1 expectation failed.
JSON path name doesn't match.
Expected: is "first-test"
  Actual: first

	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481)

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⚙️ JVM Tests - JDK 21

📦 extensions/smallrye-reactive-messaging-kafka/deployment

✖ io.quarkus.smallrye.reactivemessaging.kafka.deployment.testing.KafkaDevServicesContinuousTestingTestCase.testContinuousTestingScenario2 - History

• io.quarkus.builder.BuildException: Build failure: Build failed due to errors [error]: Build step io.quarkus.apicurio.registry.devservice.DevServicesApicurioRegistryProcessor\#startApicurioRegistryDevService threw an exception: java.lang.RuntimeException: org.testcontainers.containers.ContainerLaunchException: Container startup failed for image quay.io/apicurio/apicurio-registry-mem:2.4.2.Final at io.quarkus.apicurio.registry.devservice.DevServicesApicurioRegistryProcessor.startApicurioRegistryDevService(DevServicesApicurioRegistryProcessor.java:90) at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:733) at io.quarkus.deployment.ExtensionLoader$3.execute(ExtensionLoader.java:856) - java.lang.RuntimeException

java.lang.RuntimeException: 
io.quarkus.builder.BuildException: Build failure: Build failed due to errors
	[error]: Build step io.quarkus.apicurio.registry.devservice.DevServicesApicurioRegistryProcessor#startApicurioRegistryDevService threw an exception: java.lang.RuntimeException: org.testcontainers.containers.ContainerLaunchException: Container startup failed for image quay.io/apicurio/apicurio-registry-mem:2.4.2.Final
	at io.quarkus.apicurio.registry.devservice.DevServicesApicurioRegistryProcessor.startApicurioRegistryDevService(DevServicesApicurioRegistryProcessor.java:90)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:733)
	at io.quarkus.deployment.ExtensionLoader$3.execute(ExtensionLoader.java:856)
	at io.quarkus.builder.BuildContext.run(BuildContext.java:255)
	at org.jboss.threads.ContextHandler$1.runWith(ContextHandler.java:18)