configure Renovate instead of Dependabot (#10)

Author: renovate[bot]

.github/dependabot.yml

@@ -0,0 +1,58 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "labels": ["dependencies"],
+  "extends": [
+    "config:base",
+    ":disableDependencyDashboard"
+  ],
+  "prHourlyLimit": 5,
+  "prConcurrentLimit": 10,
+  "semanticCommits": "enabled",
+  "postUpdateOptions": [
+    "gomodUpdateImportPaths"
+  ],
+  "packageRules": [
+    {
+      "matchPackageNames": [ "k8s.io/client-go" ],
+      "allowedVersions": "<1.4.0"
+    },
+    {
+      "matchUpdateTypes": [ "patch", "pin", "digest" ],
+      "automerge": true,
+      "groupName": "non-minor dependencies",
+      "groupSlug": "non-minor-deps"
+    },
+    {
+      "matchUpdateTypes": [ "minor" ],
+      "automerge": true,
+      "groupName": "minor dependencies",
+      "groupSlug": "minor-deps"
+    },
+    {
+      "matchUpdateTypes": [ "minor" ],
+      "matchLanguages": [ "go", "golang" ],
+      "groupName": "minor dependencies (golang)",
+      "groupSlug": "minor-deps-golang",
+      "semanticCommitScope": "go.mod/go.sum"
+    },
+    {
+      "matchUpdateTypes": [ "minor" ],
+      "matchLanguages": [ "docker" ],
+      "groupName": "minor dependencies (Dockerfile)",
+      "groupSlug": "minor-deps-dockerfile",
+      "semanticCommitScope": "Dockerfile"
+    },
+    {
+      "matchUpdateTypes": [ "major" ],
+      "automerge": false,
+      "groupName": "major dependencies",
+      "groupSlug": "major-deps",
+      "semanticCommitScope": "major deps"
+    },
+    { 
+      "matchManagers": ["github-actions"],
+      "groupName": "github-actions",
+      "semanticCommitScope": "actions"
+    }
+  ]
+}