Bump quarkus.platform.version from 3.11.3 to 3.12.0

Bumps `quarkus.platform.version` from 3.11.3 to 3.12.0.

Updates `io.quarkus.platform:quarkus-bom` from 3.11.3 to 3.12.0
- [Commits](quarkusio/quarkus-platform@3.11.3...3.12.0)

Updates `io.quarkus.platform:quarkus-maven-plugin` from 3.11.3 to 3.12.0
- [Commits](quarkusio/quarkus-platform@3.11.3...3.12.0)

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

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

sdmx-dl-grpc/pom.xml

@@ -23,7 +23,7 @@
         <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>3.11.3</quarkus.platform.version>
+        <quarkus.platform.version>3.12.0</quarkus.platform.version>
         <skipITs>true</skipITs>
         <enforcer.skip>true</enforcer.skip>
     </properties>