ci: enable renovate

Author: slisson

renovate.json5

@@ -0,0 +1,15 @@
+{
+  $schema: 'https://docs.renovatebot.com/renovate-schema.json',
+  extends: [
+    'config:best-practices',
+    ':enablePreCommit',
+    ':semanticCommitTypeAll(build)',
+  ],
+  enabledManagers: [
+    'pre-commit',
+    'gradle-wrapper',
+    'nvm',
+    'github-actions',
+    'custom.regex',
+  ],
+}