Fix(pubsub): Upgrade Cloud Functions Pub/Sub to Java25 (#10279)

* chore: upgrade shared-configuration to 1.2.2, update Java version to 25, and add JaCoCo test coverage plugin

* Change to java 21 to let kokoro works

Author: Kef131

functions/pubsub/publish-message/pom.xml

@@ -27,12 +27,13 @@
   <parent>
     <groupId>com.google.cloud.samples</groupId>
     <artifactId>shared-configuration</artifactId>
-    <version>1.2.0</version>
+    <version>1.2.2</version>
   </parent>
 
   <properties>
-    <maven.compiler.target>11</maven.compiler.target>
-    <maven.compiler.source>11</maven.compiler.source>
+    <!-- Change this to 25 in your workspace -->
+    <maven.compiler.target>21</maven.compiler.target>
+    <maven.compiler.source>21</maven.compiler.source>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>
 
@@ -116,6 +117,25 @@
           <trimStackTrace>false</trimStackTrace>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.jacoco</groupId>
+        <artifactId>jacoco-maven-plugin</artifactId>
+        <version>0.8.14</version>
+        <executions>
+          <execution>
+            <goals>
+              <goal>prepare-agent</goal>
+            </goals>
+          </execution>
+          <execution>
+            <id>report</id>
+            <phase>test</phase>
+            <goals>
+              <goal>report</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
     </plugins>
   </build>
 </project>