Revert "build(deps): update dependency com.coveo:fmt-maven-plugin to v2.12 (#300)" (#302)

This reverts commit e51718c.

Author: BenWhitehead

pom.xml

@@ -216,7 +216,7 @@
         <plugin>
           <groupId>com.coveo</groupId>
           <artifactId>fmt-maven-plugin</artifactId>
-          <version>2.12</version>
+          <version>2.9</version>
           <configuration>
             <style>google</style>
             <verbose>true</verbose>