Update plugin dependencies.

See #9

bom-client/pom.xml

@@ -40,7 +40,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-dependency-plugin</artifactId>
-				<version>3.1.2</version>
+				<version>3.2.0</version>
 				<executions>
 					<execution>
 						<id>purge-local-repository</id>

bom/pom.xml

@@ -48,7 +48,7 @@
 			<name>Apache License, Version 2.0</name>
 			<url>https://www.apache.org/licenses/LICENSE-2.0</url>
 			<comments>
-				Copyright 2010-2020 the original author or authors.
+				Copyright 2010 the original author or authors.
 
 				Licensed under the Apache License, Version 2.0 (the "License");
 				you may not use this file except in compliance with the License.
@@ -199,7 +199,7 @@
 			<plugin>
 				<groupId>org.codehaus.mojo</groupId>
 				<artifactId>flatten-maven-plugin</artifactId>
-				<version>1.2.2</version>
+				<version>1.2.7</version>
 				<executions>
 					<execution>
 						<id>flatten</id>
@@ -244,7 +244,7 @@
 						<plugin>
 							<groupId>org.jfrog.buildinfo</groupId>
 							<artifactId>artifactory-maven-plugin</artifactId>
-							<version>3.2.3</version>
+							<version>3.3.0</version>
 							<executions>
 								<execution>
 									<id>build-info</id>
@@ -300,7 +300,7 @@
 						<plugin>
 							<groupId>org.apache.maven.plugins</groupId>
 							<artifactId>maven-enforcer-plugin</artifactId>
-							<version>3.0.0-M3</version>
+							<version>3.0.0</version>
 							<executions>
 								<execution>
 									<id>enforce-release-rules</id>
@@ -311,7 +311,7 @@
 									<configuration>
 										<rules>
 											<requireJavaVersion>
-												<version>[1.8,1.9)</version>
+												<version>1.8</version>
 											</requireJavaVersion>
 											<requireReleaseDeps/>
 											<requireReleaseVersion/>