updated dependencies

pom.xml

@@ -130,7 +130,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-shade-plugin</artifactId>
-				<version>3.5.3</version>
+				<version>3.6.0</version>
 				<executions>
 					<execution>
 						<phase>package</phase>
@@ -164,14 +164,14 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>3.13.0</version>
 				<configuration>
-					<release>17</release>
+					<release>21</release>
 				</configuration>
 			</plugin>
 
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-failsafe-plugin</artifactId>
-				<version>3.2.5</version>
+				<version>3.5.1</version>
 				<executions>
 					<execution>
 						<goals>
@@ -189,7 +189,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-checkstyle-plugin</artifactId>
-				<version>3.3.1</version>
+				<version>3.5.0</version>
 				<dependencies>
 					<dependency>
 						<groupId>com.puppycrawl.tools</groupId>
@@ -219,7 +219,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-release-plugin</artifactId>
-				<version>3.0.1</version>
+				<version>3.1.1</version>
 				<configuration>
 					<autoVersionSubmodules>true</autoVersionSubmodules>
 					<mavenExecutorId>forked-path</mavenExecutorId>
@@ -233,7 +233,7 @@
 			<plugin>
 				<groupId>org.sonatype.plugins</groupId>
 				<artifactId>nexus-staging-maven-plugin</artifactId>
-				<version>1.6.13</version>
+				<version>1.7.0</version>
 				<extensions>true</extensions>
 				<configuration>
 					<serverId>ossrh</serverId>
@@ -245,13 +245,13 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-deploy-plugin</artifactId>
-				<version>3.1.2</version>
+				<version>3.1.3</version>
 			</plugin>
 
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-jar-plugin</artifactId>
-				<version>3.4.1</version>
+				<version>3.4.2</version>
 				<configuration>
 					<archive>
 						<manifestEntries>
@@ -291,7 +291,7 @@
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-javadoc-plugin</artifactId>
-						<version>3.6.3</version>
+						<version>3.10.1</version>
 						<executions>
 							<execution>
 								<id>attach-javadocs</id>
@@ -312,7 +312,7 @@
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-gpg-plugin</artifactId>
-						<version>3.2.4</version>
+						<version>3.2.7</version>
 						<executions>
 							<execution>
 								<id>sign-artifacts</id>