Bump extra-enforcer-rules from 1.3 to 1.4

Bumps [extra-enforcer-rules](https://github.com/mojohaus/extra-enforcer-rules) from 1.3 to 1.4.
- [Release notes](https://github.com/mojohaus/extra-enforcer-rules/releases)
- [Commits](mojohaus/extra-enforcer-rules@extra-enforcer-rules-1.3...extra-enforcer-rules-1.4)

---
updated-dependencies:
- dependency-name: org.codehaus.mojo:extra-enforcer-rules
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -180,7 +180,7 @@
     <dependency>
       <groupId>org.tmatesoft.svnkit</groupId>
       <artifactId>svnkit</artifactId>
-      <version>1.8.12</version>
+      <version>1.10.3</version>
     </dependency>
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
@@ -217,7 +217,7 @@
     <dependency>
       <groupId>com.google.code.gson</groupId>
       <artifactId>gson</artifactId>
-      <version>2.8.0</version>
+      <version>2.8.9</version>
     </dependency>
   </dependencies>
 
@@ -317,7 +317,7 @@
               <dependency>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>extra-enforcer-rules</artifactId>
-                <version>1.3</version>
+                <version>1.4</version>
               </dependency>
             </dependencies>
           </plugin>