Bump maven-enforcer-plugin from 3.0.0 to 3.1.0

Bumps [maven-enforcer-plugin](https://github.com/apache/maven-enforcer) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/apache/maven-enforcer/releases)
- [Commits](apache/maven-enforcer@enforcer-3.0.0...enforcer-3.1.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-enforcer-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -256,7 +256,7 @@ under the License.
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-enforcer-plugin</artifactId>
-          <version>3.0.0</version>
+          <version>3.1.0</version>
           <dependencies>
             <dependency>
               <groupId>org.codehaus.mojo</groupId>
@@ -287,7 +287,7 @@ under the License.
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-enforcer-plugin</artifactId>
-        <version>3.0.0</version>
+        <version>3.1.0</version>
         <dependencies>
           <dependency>
             <groupId>org.codehaus.mojo</groupId>