protocVersion -> protoc

As per migration guide https://github.com/ascopes/protobuf-maven-plugin/releases/tag/v5.0.0

Signed-off-by: nscuro <nscuro@protonmail.com>

Author: nscuro

pom.xml

@@ -560,7 +560,7 @@
                 <artifactId>protobuf-maven-plugin</artifactId>
                 <version>5.0.0</version>
                 <configuration>
-                    <protocVersion>${lib.protobuf-java.version}</protocVersion>
+                    <protoc>${lib.protobuf-java.version}</protoc>
                     <sourceDirectories>
                         <sourceDirectory>${project.basedir}/src/main/proto</sourceDirectory>
                     </sourceDirectories>