Bump quarkus.platform.version in /apis/java/quarkus-legacy-oracle

Bumps `quarkus.platform.version` from 2.16.3.Final to 3.6.6.

Updates `io.quarkus.platform:quarkus-bom` from 2.16.3.Final to 3.6.6
- [Commits](quarkusio/quarkus-platform@2.16.3.Final...3.6.6)

Updates `io.quarkus.platform:quarkus-maven-plugin` from 2.16.3.Final to 3.6.6
- [Commits](quarkusio/quarkus-platform@2.16.3.Final...3.6.6)

---
updated-dependencies:
- dependency-name: io.quarkus.platform:quarkus-bom
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: io.quarkus.platform:quarkus-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

apis/java/quarkus-legacy-oracle/pom.xml

@@ -13,7 +13,7 @@
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <quarkus.platform.artifact-id>quarkus-bom</quarkus.platform.artifact-id>
     <quarkus.platform.group-id>io.quarkus.platform</quarkus.platform.group-id>
-    <quarkus.platform.version>2.16.3.Final</quarkus.platform.version>
+    <quarkus.platform.version>3.6.6</quarkus.platform.version>
     <surefire-plugin.version>3.0.0-M5</surefire-plugin.version>
   </properties>
   <dependencyManagement>