Bump org.apache.commons:commons-exec from 1.3 to 1.4.0

Bumps org.apache.commons:commons-exec from 1.3 to 1.4.0.

---
updated-dependencies:
- dependency-name: org.apache.commons:commons-exec
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -253,7 +253,7 @@
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-exec</artifactId>
-      <version>1.3</version>
+      <version>1.4.0</version>
     </dependency>
     <dependency>
       <!-- Just for its CircularFifoQueue... -->