upgrade error prone to 2.2.0

Signed-off-by: olivier lamy <[email protected]>

Author: olamy

plexus-compilers/plexus-compiler-javac-errorprone/pom.xml

@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.errorprone</groupId>
       <artifactId>error_prone_core</artifactId>
-      <version>2.0.13</version>
+      <version>2.2.0</version>
     </dependency>
   </dependencies>