Add ivy support via customManagers for renovate

Author: leonard84

.github/renovate.json5

@@ -1,6 +1,18 @@
 {
-  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": [
-    "config:base"
-  ]
+    "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+    "extends": [
+        "config:base"
+    ],
+    "customManagers": [
+        {
+            "customType": "regex",
+            "managerFilePatterns": [
+                "ivy.xml"
+            ],
+            "matchStrings": [
+                "<dependency\\s+org=\"(?<packageName>[^\"]+?)\"\\s+name=\"(?<depName>[^\"]+?)\"\\s+rev=\"(?<currentValue>[^\"]+?)\"[^/>]*/>"
+            ],
+            "datasourceTemplate": "maven"
+        }
+    ]
 }