Configure Renovate (#223)

* Add renovate.json

* Update renovate.json

---------

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

renovate.json

@@ -0,0 +1,14 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:recommended"
+  ],
+  "packageRules": [
+    {
+      "matchDatasources": ["hex"],
+      "matchUpdateTypes": ["patch", "pin", "digest"],
+      "automerge": true,
+      "addLabels": ["skip-changelog"]
+    }
+  ]
+}