Update pytest-variables from 1.6.0 to 1.6.1 (#2433)

requirements/dev.txt

@@ -81,7 +81,7 @@ selenium==3.4.1 \
     --hash=sha256:ea10cb739d3d2c27dfdd5ed60cdc28a36e6bafb7b6021ac7acd01dfc4aef005b
 pytest-html==1.14.2 --hash=sha256:899d59d3e70f141ebf93b25b31e9d7c0a18469259cec3edaa3686f1d85b06c13
 pytest-metadata==1.3.0 --hash=sha256:b8735ad24a4974b35ca2d37a443596a26e0986754b0841c46231f4a6f6fa92c9
-pytest-variables==1.6.0 \
-    --hash=sha256:49f296b9ca306bd575372f1fbe907ebf930499ec35b2f35b901a914ca820bba3 \
-    --hash=sha256:93bbd9179a45c737c0d2f9320668df1af5fc12a54ad24256f4ec9863aa78cd4a
+pytest-variables==1.6.1 \
+    --hash=sha256:1b072483395dc0b7f9bcd437b551f590f5b58faf176d3d16137cc0e212908a4b \
+    --hash=sha256:799843c67a2667388116ec3ab77bcc552801cc310e4d2b9b3a20709b0c8c5b81
 pytest-base-url==1.3.0 --hash=sha256:3e1d40d2826c2d848b31355502815250ad4035e5bfb4e3ad0405b2d6fad874f4