Bump io.openliberty.tools:liberty-maven-plugin from 3.5.1 to 3.12.0

Bumps [io.openliberty.tools:liberty-maven-plugin](https://github.com/OpenLiberty/ci.maven) from 3.5.1 to 3.12.0.
- [Release notes](https://github.com/OpenLiberty/ci.maven/releases)
- [Commits](OpenLiberty/ci.maven@liberty-maven-3.5.1...liberty-maven-3.12.0)

---
updated-dependencies:
- dependency-name: io.openliberty.tools:liberty-maven-plugin
  dependency-version: 3.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

examples/restful-ws-microprofile-liberty/pom.xml

@@ -11,7 +11,7 @@
     <packaging>war</packaging>
 
     <properties>
-        <openliberty.maven.version>3.5.1</openliberty.maven.version>
+        <openliberty.maven.version>3.12.0</openliberty.maven.version>
         <app.name>cloudevents-microprofile</app.name>
         <module-name>cloudevents.example.restful.ws.microprofile.liberty</module-name>
 

http/restful-ws-jakarta-integration-tests/restful-ws-liberty/pom.xml

@@ -138,7 +138,7 @@
             <plugin>
                 <groupId>io.openliberty.tools</groupId>
                 <artifactId>liberty-maven-plugin</artifactId>
-                <version>3.5.1</version>
+                <version>3.12.0</version>
                 <configuration>
                     <arquillianProperties>
                         <javaVmArguments>