Bump io.openliberty.tools:liberty-maven-plugin in /start

Bumps [io.openliberty.tools:liberty-maven-plugin](https://github.com/OpenLiberty/ci.maven) from 3.11.2 to 3.11.3.
- [Release notes](https://github.com/OpenLiberty/ci.maven/releases)
- [Commits](OpenLiberty/ci.maven@liberty-maven-3.11.2...liberty-maven-3.11.3)

---
updated-dependencies:
- dependency-name: io.openliberty.tools:liberty-maven-plugin
  dependency-version: 3.11.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Diff for: start/pom.xml

@@ -55,7 +55,7 @@
             <plugin>
                 <groupId>io.openliberty.tools</groupId>
                 <artifactId>liberty-maven-plugin</artifactId>
-                <version>3.11.2</version>            
+                <version>3.11.3</version>            
             </plugin>
             <!-- Frontend resources -->
             <plugin>