ci(renovate): add Renovate bot configuration

.renovaterc.json

@@ -0,0 +1,38 @@
+{
+    "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+    "extends": [
+        "local>renovate/renovate"
+    ],
+    "packageRules": [
+        {
+            "groupName": "all non-major dependencies",
+            "groupSlug": "all-minor-patch",
+            "matchPackagePatterns": [
+                "*"
+            ],
+            "matchUpdateTypes": [
+                "minor",
+                "patch",
+                "pin",
+                "digest"
+            ],
+            "automerge": false
+        },
+        {
+            "groupName": "all major dependencies",
+            "groupSlug": "all-major",
+            "matchPackagePatterns": [
+                "*"
+            ],
+            "matchUpdateTypes": [
+                "major"
+            ],
+            "automerge": false
+        }
+    ],
+    "ignoreDeps": [],
+    "postUpdateOptions": [
+        "gomodTidy",
+        "gomodUpdateImportPaths"
+    ]
+}