Bump exec-maven-plugin from 3.0.0 to 3.1.0

Bumps [exec-maven-plugin](https://github.com/mojohaus/exec-maven-plugin) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/mojohaus/exec-maven-plugin/releases)
- [Commits](https://github.com/mojohaus/exec-maven-plugin/compare/exec-maven-plugin-3.0.0...exec-maven-plugin-3.1.0)

---
updated-dependencies:
- dependency-name: org.codehaus.mojo:exec-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index 341335d..f0fefe1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -582,7 +582,7 @@
           <plugin>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>exec-maven-plugin</artifactId>
-            <version>3.0.0</version>
+            <version>3.1.0</version>
             <executions>
               <execution>
                 <id>benchmark</id>
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index a438cee..0dc1a37 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -103,6 +103,7 @@
     <action                  type="update" dev="kinow" due-to="Dependabot">Bump commons-rng-simple from 1.3 to 1.4 #266.</action>
     <action                  type="update" dev="kinow" due-to="Dependabot">Bump taglist-maven-plugin from 2.4 to 3.0.0 #297.</action>
     <action                  type="update" dev="kinow" due-to="Dependabot">Bump commons.pmd-impl.version from 6.44.0 to 6.47 #323, #336.</action>
+    <action                  type="update" dev="kinow" due-to="Dependabot">Bump exec-maven-plugin from 3.0.0 to 3.1.0 #340.</action>
   </release>
   <release version="1.9" date="2020-07-21" description="Release 1.9. Requires Java 8.">
     <action issue="TEXT-166" type="fix" dev="kinow" due-to="Mikko Maunu">Removed non-existing parameter from Javadocs and spelled out parameters in throws.</action>