Add funding option

Author: ai

.github/FUNDING.yml

@@ -1 +1,2 @@
 open_collective: postcss
+github: ai

package.json

@@ -1,6 +1,6 @@
 {
   "name": "postcss-nested",
-  "version": "6.0.1",
+  "version": "6.1.0",
   "description": "PostCSS plugin to unwrap nested rules like how Sass does it",
   "keywords": [
     "postcss",
@@ -19,10 +19,16 @@
   "engines": {
     "node": ">=12.0"
   },
-  "funding": {
-    "type": "opencollective",
-    "url": "https://opencollective.com/postcss/"
-  },
+  "funding": [
+    {
+      "type": "opencollective",
+      "url": "https://opencollective.com/postcss/"
+    },
+    {
+      "type": "github",
+      "url": "https://github.com/sponsors/ai"
+    }
+  ],
   "peerDependencies": {
     "postcss": "^8.2.14"
   },