Updated third parties.

Author: ddsharpe

pom.xml

@@ -67,7 +67,7 @@
             <dependency>
                 <groupId>info.picocli</groupId>
                 <artifactId>picocli</artifactId>
-                <version>4.7.5</version>
+                <version>4.7.6</version>
             </dependency>
             <dependency>
                 <groupId>org.junit.jupiter</groupId>
@@ -78,7 +78,7 @@
             <dependency>
                 <groupId>uk.org.webcompere</groupId>
                 <artifactId>system-stubs-jupiter</artifactId>
-                <version>2.0.2</version>
+                <version>2.1.7</version>
                 <scope>test</scope>
             </dependency>
             <dependency>
@@ -163,7 +163,7 @@
                 <plugin>
                     <groupId>org.codehaus.mojo</groupId>
                     <artifactId>exec-maven-plugin</artifactId>
-                    <version>3.1.0</version>
+                    <version>3.4.1</version>
                     <executions>
                         <execution>
                             <id>generate-autocompletion-script</id>
@@ -214,7 +214,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-checkstyle-plugin</artifactId>
-                    <version>3.3.0</version>
+                    <version>3.5.0</version>
                     <executions>
                         <execution>
                             <id>checkstyle</id>
@@ -249,7 +249,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-surefire-plugin</artifactId>
-                    <version>3.1.2</version>
+                    <version>3.5.1</version>
                     <configuration>
                         <groups>unit</groups>
                         <excludedGroups>failing</excludedGroups>