Upgrade Maven plugins

Upgrade the Maven plugins used in the builds.

See gh-9316

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -186,7 +186,7 @@
 		<maven-assembly-plugin.version>3.1.0</maven-assembly-plugin.version>
 		<maven-clean-plugin.version>3.0.0</maven-clean-plugin.version>
 		<maven-compiler-plugin.version>3.7.0</maven-compiler-plugin.version>
-		<maven-dependency-plugin.version>2.10</maven-dependency-plugin.version>
+		<maven-dependency-plugin.version>3.0.1</maven-dependency-plugin.version>
 		<maven-deploy-plugin.version>2.8.2</maven-deploy-plugin.version>
 		<maven-eclipse-plugin.version>2.10</maven-eclipse-plugin.version>
 		<maven-enforcer-plugin.version>3.0.0-M1</maven-enforcer-plugin.version>

spring-boot-project/spring-boot-docs/pom.xml

@@ -1050,7 +1050,7 @@
 					<plugin>
 						<groupId>org.codehaus.mojo</groupId>
 						<artifactId>xml-maven-plugin</artifactId>
-						<version>1.0</version>
+						<version>1.0.1</version>
 						<executions>
 							<execution>
 								<goals>
@@ -1140,7 +1140,7 @@
 					<plugin>
 						<groupId>com.agilejava.docbkx</groupId>
 						<artifactId>docbkx-maven-plugin</artifactId>
-						<version>2.0.15</version>
+						<version>2.0.17</version>
 						<configuration>
 							<sourceDirectory>${basedir}/target/generated-docs</sourceDirectory>
 							<includes>index.xml</includes>

spring-boot-project/spring-boot-parent/pom.xml

@@ -314,17 +314,17 @@
 				<plugin>
 					<groupId>org.codehaus.cargo</groupId>
 					<artifactId>cargo-maven2-plugin</artifactId>
-					<version>1.6.2</version>
+					<version>1.6.4</version>
 				</plugin>
 				<plugin>
 					<groupId>org.codehaus.gmavenplus</groupId>
 					<artifactId>gmavenplus-plugin</artifactId>
-					<version>1.2</version>
+					<version>1.5</version>
 				</plugin>
 				<plugin>
 					<groupId>org.codehaus.mojo</groupId>
 					<artifactId>sonar-maven-plugin</artifactId>
-					<version>2.4</version>
+					<version>3.3.0.603</version>
 				</plugin>
 				<!--This plugin's configuration is used to store Eclipse m2e settings
 					only. It has no influence on the Maven build itself. -->