chore: Add alternative pip file names to renovate config (#73)

Author: beeme1mr

renovate.json

@@ -2,5 +2,8 @@
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": [
     "config:base"
-  ]
+  ],
+  "pip_requirements": {
+    "fileMatch": ["requirements.txt", "requirements-dev.txt"]
+  }
 }