Added renovate configuration.

Author: pacostas

.github/.syncignore

@@ -1,2 +1,3 @@
 CODEOWNERS
-dependabot.yml
+dependabot.yml
+renovate.json

.github/dependabot.yml

@@ -0,0 +1,14 @@
+{
+    "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+    "extends": [
+        "github>paketo-buildpacks/github-config//renovate/renovate-default"
+    ],
+    "enabledManagers": ["gomod"],
+    "packageRules": [
+        {
+            "matchPaths": ["**/smoke/testdata/**"],
+            "enabled": false,
+            "description": "The test data are updated by syncing them with the samples."
+        }
+    ]
+}