chore: update renovate config (#442)

Author: averikitsch

.github/renovate.json5

@@ -19,8 +19,16 @@
   ],
   packageRules: [
     {
-      matchFileNames: ["samples/**"],
-      groupName: "Samples",
+      matchFileNames: ["samples/index_tuning_sample/**"],
+      groupName: "samples-index_tuning_sample",
+    },
+    {
+      matchFileNames: ["samples/langchain_on_vertexai/**"],
+      groupName: "samples-langchain_on_vertexai",
+    },
+    {
+      matchFileNames: ["samples/migrations/**"],
+      groupName: "samples-migrations",
     },
     {
       groupName: 'GitHub Actions',
@@ -38,20 +46,5 @@
         'major',
       ],
     },
-    {
-      groupName: 'python-nonmajor',
-      ignorePaths: ["samples/**"],
-      matchCategories: [
-        'python',
-      ],
-      matchUpdateTypes: [
-        'minor',
-        'patch',
-      ],
-    },
-    {
-      matchPackageNames: ["numpy"],
-      matchUpdateTypes: ["major"]
-    }
   ],
 }