bump version to 2.13.1 (via #32)

Author: andrcuns

ALLURE_VERSION

@@ -1 +1 @@
-2.13.0
+2.13.1

Gemfile.lock

@@ -1,17 +1,17 @@
 PATH
   remote: .
   specs:
-    allure-cucumber (2.13.0)
-      allure-ruby-commons (= 2.13.0)
+    allure-cucumber (2.13.1)
+      allure-ruby-commons (= 2.13.1)
       cucumber (~> 3.1)
-    allure-rspec (2.13.0)
-      allure-ruby-commons (= 2.13.0)
+    allure-rspec (2.13.1)
+      allure-ruby-commons (= 2.13.1)
       rspec-core (~> 3.8)
-    allure-ruby (2.13.0)
-      allure-cucumber (= 2.13.0)
-      allure-rspec (= 2.13.0)
-      allure-ruby-commons (= 2.13.0)
-    allure-ruby-commons (2.13.0)
+    allure-ruby (2.13.1)
+      allure-cucumber (= 2.13.1)
+      allure-rspec (= 2.13.1)
+      allure-ruby-commons (= 2.13.1)
+    allure-ruby-commons (2.13.1)
       json (>= 1.8, < 3)
       mime-types (~> 3.3)
       require_all (~> 2.0)