GH-12 Configure Renovate (#12)

* Add renovate.json

* Update renovate.json

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

renovate.json

@@ -0,0 +1,21 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:base"
+  ],
+  "groupName": "all dependencies",
+  "groupSlug": "all",
+  "lockFileMaintenance": {
+    "enabled": false
+  },
+  "packageRules": [
+    {
+      "groupName": "all dependencies",
+      "groupSlug": "all",
+      "matchPackagePatterns": [
+        "*"
+      ]
+    }
+  ],
+  "separateMajorMinor": false
+}