Bump quarkus.platform.version from 2.1.1.Final to 2.1.2.Final (#188)

Bumps `quarkus.platform.version` from 2.1.1.Final to 2.1.2.Final.

Updates `quarkus-universe-bom` from 2.1.1.Final to 2.1.2.Final
- [Release notes](https://github.com/quarkusio/quarkus-platform/releases)
- [Commits](quarkusio/quarkus-platform@2.1.1.Final...2.1.2.Final)

Updates `quarkus-maven-plugin` from 2.1.1.Final to 2.1.2.Final

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

google-cloud-graalvm-samples/graalvm-samples-quarkus/pom.xml

@@ -15,7 +15,7 @@
   <artifactId>graalvm-samples-quarkus</artifactId>
 
   <properties>
-    <quarkus.platform.version>2.1.1.Final</quarkus.platform.version>
+    <quarkus.platform.version>2.1.2.Final</quarkus.platform.version>
   </properties>
 
   <modules>