Update Language.scala to include requirements.txt for Python (#78)

* Update Language.scala

* Bump CI orbs

Author: heliocodacy

.circleci/config.yml

@@ -1,7 +1,7 @@
 version: 2.1
 
 orbs:
-  codacy: codacy/base@10.0.2
+  codacy: codacy/base@11.2.0
 
 workflows:
   version: 2

codacy-plugins-api/src/main/scala/com/codacy/plugins/api/languages/Language.scala

@@ -107,7 +107,7 @@ object Languages {
 
   case object PHP extends Language(extensions = Set(".php"), files = Set("composer.lock"))
 
-  case object Python extends Language(extensions = Set(".py"), files = Set("Pipfile.lock"))
+  case object Python extends Language(extensions = Set(".py"), files = Set("Pipfile.lock", "requirements.txt"))
 
   // Support startdate: 31 August 2015
   case object Ruby