Don't publish plugins when doing dry run

spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/pom.xml

@@ -21,6 +21,7 @@
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<gradle.task>build</gradle.task>
 		<build-helper-maven-plugin.phase>package</build-helper-maven-plugin.phase>
+		<gradle.publish-plugins.task>publishPlugins</gradle.publish-plugins.task>
 	</properties>
 
 	<dependencies>
@@ -205,6 +206,19 @@
 				</plugins>
 			</build>
 		</profile>
+		<profile>
+			<id>dry-run</id>
+			<activation>
+				<activeByDefault>true</activeByDefault>
+				<property>
+					<name>env.DRY_RUN</name>
+					<value>true</value>
+				</property>
+			</activation>
+			<properties>
+				<gradle.publish-plugins.task>-Pexample=value</gradle.publish-plugins.task>
+			</properties>
+		</profile>
 		<profile>
 			<id>central</id>
 			<activation>
@@ -230,7 +244,9 @@
 										<argument>-Pcentral</argument>
 										<argument>-PsonatypeUsername=${env.SONATYPE_USER}</argument>
 										<argument>-PsonatypePassword=${env.SONATYPE_PASSWORD}</argument>
-										<argument>publishPlugins</argument>
+										<argument>-Pgradle.publish.key=${env.GRADLE_PUBLISH_KEY}</argument>
+										<argument>-Pgradle.publish.secret=${env.GRADLE_PUBLISH_SECRET}</argument>
+										<argument>${gradle.publish-plugins.task}</argument>
 									</arguments>
 								</configuration>
 								<goals>