feat: add renovate

cspell.json

@@ -11,7 +11,7 @@
   ],
   "words": [
     "assemblyfilters",
-    "devbuild",
+    "automerge",
     "branchcoverage",
     "brandedoutcast",
     "buildtransitive",
@@ -21,6 +21,7 @@
     "classfilters",
     "contentfiles",
     "CYGWIN",
+    "devbuild",
     "endregion",
     "Finalizer",
     "Finalizers",
@@ -63,4 +64,4 @@
     "Unparented",
     "Xunit"
   ]
-}
+}

renovate.json

@@ -0,0 +1,38 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:base",
+    ":semanticCommits"
+  ],
+  "prHourlyLimit": 2,
+  "versioning": "loose",
+  "packageRules": [
+    {
+      "matchPackagePatterns": [
+        "*"
+      ],
+      "groupName": "all dependencies",
+      "groupSlug": "all-deps",
+      "automerge": true
+    },
+    {
+      "matchPackagePrefixes": [
+        "dotnet-sdk"
+      ],
+      "allowedVersions": "!/preview/"
+    },
+    {
+      "matchPackagePrefixes": [
+        "GodotSharp",
+        "Godot.NET.Sdk"
+      ],
+      "allowedVersions": "/^(\\d+\\.\\d+\\.\\d+)(-(beta|rc)\\.(\\d+)(\\.\\d+)*)?$/"
+    },
+    {
+      "matchPackagePrefixes": [
+        "Chickensoft"
+      ],
+      "allowedVersions": "/^(\\d+\\.\\d+\\.\\d+)(-godot(\\d+\\.)+\\d+(-.*)?)?$/"
+    }
+  ]
+}