Bump quarkus.version from 3.15.4.redhat-00001 to 3.20.0.redhat-00002 (#286)

* Bump quarkus.version from 3.15.4.redhat-00001 to 3.20.0.redhat-00002

Bumps `quarkus.version` from 3.15.4.redhat-00001 to 3.20.0.redhat-00002.

Updates `com.redhat.quarkus.platform:quarkus-bom` from 3.15.4.redhat-00001 to 3.20.0.redhat-00002
- [Commits](https://github.com/quarkusio/quarkus-platform/commits)

Updates `com.redhat.quarkus.platform:quarkus-maven-plugin` from 3.15.4.redhat-00001 to 3.20.0.redhat-00002
- [Commits](https://github.com/quarkusio/quarkus-platform/commits)

---
updated-dependencies:
- dependency-name: com.redhat.quarkus.platform:quarkus-bom
  dependency-version: 3.20.0.redhat-00002
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.redhat.quarkus.platform:quarkus-maven-plugin
  dependency-version: 3.20.0.redhat-00002
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

* Change serialization

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: George Gastaldi <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -20,7 +20,7 @@
     <quarkus-logging-sentry.version>2.1.3</quarkus-logging-sentry.version>
 
     <quarkus.groupId>com.redhat.quarkus.platform</quarkus.groupId>
-    <quarkus.version>3.15.4.redhat-00001</quarkus.version>
+    <quarkus.version>3.20.0.redhat-00002</quarkus.version>
 
     <revision>999-SNAPSHOT</revision>
     <!-- Cross plugins settings -->

src/main/java/io/quarkus/registry/app/DatabaseRegistryClient.java

@@ -1,5 +1,7 @@
 package io.quarkus.registry.app;
 
+import java.io.IOException;
+import java.io.StringWriter;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
@@ -27,6 +29,7 @@
 import io.quarkus.registry.catalog.PlatformCatalog;
 import io.quarkus.registry.catalog.PlatformReleaseVersion;
 import io.quarkus.registry.config.RegistriesConfig;
+import io.quarkus.registry.config.RegistriesConfigMapperHelper;
 import io.quarkus.registry.config.RegistryConfig;
 import io.quarkus.registry.config.RegistryDescriptorConfig;
 import io.quarkus.registry.config.RegistryMavenConfig;
@@ -145,9 +148,13 @@ public ExtensionCatalog resolveAllExtensionsCatalog() {
     @Path("/config.yaml")
     @Produces(YAMLMediaTypes.APPLICATION_JACKSON_YAML)
     @Operation(summary = "Example Quarkus Registry Client configuration file")
-    public RegistriesConfig clientConfigYaml() {
+    public Response clientConfigYaml() throws IOException {
         ArtifactCoords coords = ArtifactCoords
-                .fromString(mavenConfig.getRegistryGroupId() + ":quarkus-registry-descriptor::json:1.0-SNAPSHOT");
+                .of(mavenConfig.getRegistryGroupId(),
+                        Constants.DEFAULT_REGISTRY_DESCRIPTOR_ARTIFACT_ID,
+                        null,
+                        Constants.JSON,
+                        Constants.DEFAULT_REGISTRY_ARTIFACT_VERSION);
         RegistryMavenRepoConfig mavenRepoConfig = RegistryMavenRepoConfig.builder().setUrl(mavenConfig.getRegistryUrl())
                 .build();
         RegistryConfig registry = RegistryConfig.builder()
@@ -160,7 +167,10 @@ public RegistriesConfig clientConfigYaml() {
                                 .setRepository(mavenRepoConfig)
                                 .build())
                 .build();
-        return RegistriesConfig.builder().setRegistry(registry).build();
+        RegistriesConfig config = RegistriesConfig.builder().setRegistry(registry).build();
+        StringWriter writer = new StringWriter();
+        RegistriesConfigMapperHelper.toYaml(config, writer);
+        return Response.ok(writer.toString()).build();
     }
 
     @GET