Add Renovate (#273)

Co-authored-by: Jiayuan Chen <jchen4@wayfair.com>

.github/workflows/lint.yml

@@ -0,0 +1,12 @@
+name: Renovate Config Linting
+on: [pull_request]
+
+jobs:
+  renovate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: 🧼 lint renovate config # Validates changes to renovate.json config file
+        uses: suzuki-shunsuke/github-action-renovate-config-validator@v0.1.2
+        with:
+          config_file_path: 'renovate.json'

renovate.json

@@ -0,0 +1,27 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "description": "Renovate configuration for pygitops",
+  "labels": [
+    "renovate/{{depName}}"
+  ],
+  "extends": [
+    "config:base"
+  ],
+  "schedule": [
+    "before 9am"
+  ],
+  "packageRules": [
+    {
+      "matchManagers": ["dockerfile", "docker-compose"],
+      "groupName": "Docker"
+    },
+    {
+      "matchManagers": ["github-actions"],
+      "groupName": "GitHub Actions"
+    },
+    {
+      "matchManagers": ["pip_requirements", "pip_setup", "setup-cfg"],
+      "groupName": "Python"
+    }
+  ]
+}