chore: swap dependabot for renovate

Author: castastrophe

.github/dependabot.yml

@@ -0,0 +1,30 @@
+{
+    "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+    "baseBranches": ["main", "spectrum-two"],
+    "extends": ["config:recommended", ":widenPeerDependencies", "group:githubArtifactActions", "group:vite"],
+    "labels": ["dependencies", "skip_vrt", "ready-for-review"],
+    "packageRules": [
+        {
+            "groupName": "storybook ecosystem",
+            "matchPackageNames": ["storybook", "@storybook/*", "@types/storybok*"]
+        },
+        {
+            "groupName": "commitlint ecosystem",
+            "matchPackageNames": ["commitlint", "@commitlint/*"]
+        },
+        {
+            "groupName": "nx ecosystem",
+            "matchPackageNames": ["nx", "@nx/*"]
+        },
+        {
+            "groupName": "postcss ecosystem",
+            "matchPackageNames": ["postcss", "postcss-**"]
+        },
+        {
+            "groupName": "stylelint ecosystem",
+            "matchPackageNames": ["stylelint", "stylelint-**"]
+        }
+    ],
+    "rebaseWhen": "behind-base-branch",
+    "reviewers": ["team:spectrum-css-maintainers"]
+}