build(deps): bump exec-maven-plugin from 1.6.0 to 3.1.0

Bumps [exec-maven-plugin](https://github.com/mojohaus/exec-maven-plugin) from 1.6.0 to 3.1.0.
- [Release notes](https://github.com/mojohaus/exec-maven-plugin/releases)
- [Commits](mojohaus/exec-maven-plugin@exec-maven-plugin-1.6.0...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-major
...

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

Author: dependabot[bot]

canteen/canteen-bootstrap/pom.xml

@@ -27,7 +27,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>exec-maven-plugin</artifactId>
-                <version>1.6.0</version>
+                <version>3.1.0</version>
                 <executions>
                     <execution>
                         <id>osx-x86_64</id>