Adjust Dev UI URL in SwaggerUiProcessor

[gsmet]

It was using the old /dev/ URL. I made sure we would keep it updated in case of change in the future.

Noticed while having a look at #44981 .

[quarkus-bot]

Status for workflow Quarkus CI

This is the status report for running Quarkus CI on commit a59546f.

✅ 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 21

📦 extensions/infinispan-cache/deployment

✖ io.quarkus.cache.infinispan.InfinispanCacheTest.testGetAsyncWithParallelCalls - History

• expected: "thread1" but was: "thread2" - org.opentest4j.AssertionFailedError

org.opentest4j.AssertionFailedError: 

expected: "thread1"
 but was: "thread2"
	at io.quarkus.cache.infinispan.InfinispanCacheTest.testGetAsyncWithParallelCalls(InfinispanCacheTest.java:283)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at io.quarkus.test.QuarkusUnitTest.runExtensionMethod(QuarkusUnitTest.java:513)
	at io.quarkus.test.QuarkusUnitTest.interceptTestMethod(QuarkusUnitTest.java:427)

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⚙️ Gradle Tests - JDK 17 Windows

📦 integration-tests/gradle

✖ io.quarkus.gradle.devmode.CompileOnlyDependencyDevModeTest.main - History

• Condition with Lambda expression in io.quarkus.test.devmode.util.DevModeClient was not fulfilled within 2 minutes. - org.awaitility.core.ConditionTimeoutException

org.awaitility.core.ConditionTimeoutException: Condition with Lambda expression in io.quarkus.test.devmode.util.DevModeClient was not fulfilled within 2 minutes.
	at app//org.awaitility.core.ConditionAwaiter.await(ConditionAwaiter.java:167)
	at app//org.awaitility.core.CallableCondition.await(CallableCondition.java:78)
	at app//org.awaitility.core.CallableCondition.await(CallableCondition.java:26)
	at app//org.awaitility.core.ConditionFactory.until(ConditionFactory.java:1006)
	at app//org.awaitility.core.ConditionFactory.until(ConditionFactory.java:975)
	at app//io.quarkus.test.devmode.util.DevModeClient.getHttpResponse(DevModeClient.java:164)
	at app//io.quarkus.gradle.devmode.QuarkusDevGradleTestBase.getHttpResponse(QuarkusDevGradleTestBase.java:164)

✖ io.quarkus.gradle.devmode.MavenExclusionInExtensionDependencyDevModeTest.main - History

• Condition with Lambda expression in io.quarkus.test.devmode.util.DevModeClient was not fulfilled within 1 minutes 30 seconds. - org.awaitility.core.ConditionTimeoutException

org.awaitility.core.ConditionTimeoutException: Condition with Lambda expression in io.quarkus.test.devmode.util.DevModeClient was not fulfilled within 1 minutes  30 seconds.
	at app//org.awaitility.core.ConditionAwaiter.await(ConditionAwaiter.java:167)
	at app//org.awaitility.core.CallableCondition.await(CallableCondition.java:78)
	at app//org.awaitility.core.CallableCondition.await(CallableCondition.java:26)
	at app//org.awaitility.core.ConditionFactory.until(ConditionFactory.java:1006)
	at app//org.awaitility.core.ConditionFactory.until(ConditionFactory.java:975)
	at app//io.quarkus.test.devmode.util.DevModeClient.getHttpResponse(DevModeClient.java:164)
	at app//io.quarkus.gradle.devmode.QuarkusDevGradleTestBase.getHttpResponse(QuarkusDevGradleTestBase.java:164)