chore: migrate to default.json for renovate for others to load this file (#101)

Signed-off-by: Simon Schrottner <simon.schrottner@dynatrace.com>

Author: aepfli

default.json

@@ -0,0 +1,55 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:base",
+    "helpers:pinGitHubActionDigests"
+  ],
+  "semanticCommits": "enabled",
+  "labels": [
+    "renovate"
+  ],
+  "git-submodules": {
+    "enabled": true
+  },
+  "packageRules": [
+    {
+      "description": "Automerge minor updates if they are not 0.x releases",
+      "matchUpdateTypes": ["minor"],
+      "matchCurrentVersion": "!/^0/",
+      "automerge": true
+    },
+    {
+      "description": "Automerge patch and digest updates",
+      "matchUpdateTypes": ["patch", "digest"],
+      "automerge": true
+    },
+    {
+      "description": "Automerge github action updates of all types except releasing ones",
+      "matchManagers": ["github-actions"],
+      "excludeDepNames": [
+        "google-github-actions/release-please-action",
+        "googleapis/release-please-action",
+        "goreleaser/goreleaser-action"
+      ],
+      "automerge": true
+    },
+    {
+      "description": "Automerge submodules",
+      "matchManagers": ["git-submodules"],
+      "automerge": true
+    },
+    {
+      "description": "Automerge devdependency updates of all types",
+      "matchUpdateTypes": [
+        "minor",
+        "patch",
+        "pin",
+        "digest"
+      ],
+      "matchDepTypes": [
+        "devDependencies"
+      ],
+      "automerge": true
+    }
+  ]
+}