Merge pull request #523 from codacy/fix-env-variable-semaphore

fix env variable COMMIT SHA Semaphore (suggested by @addersuk)

Author: DMarinhoCodacy

src/main/scala/com/codacy/rules/commituuid/providers/SemaphoreCIProvider.scala

@@ -12,5 +12,5 @@ object SemaphoreCIProvider extends CommitUUIDProvider {
   }
 
   override def getValidCommitUUID(environment: Map[String, String]): Either[String, CommitUUID] =
-    parseEnvironmentVariable(environment.get("REVISION"))
+    parseEnvironmentVariable(environment.get("SEMAPHORE_GIT_SHA"))
 }