Update and rename renovate.json to .github/renovate.json

Author: ondrejmirtes

.github/renovate.json

@@ -0,0 +1,18 @@
+{
+ "extends": [
+ "config:base"
+ ],
+ "rangeStrategy": "update-lockfile",
+ "packageRules": [
+ {
+ "matchPaths": ["build-cs/**"],
+ "enabled": true,
+ "groupName": "build-cs"
+ },
+ {
+ "matchPaths": [".github/**"],
+ "enabled": true,
+ "groupName": "github-actions"
+ }
+ ]
+}