chore: update eslint to v9

Author: pi0

.eslintignore

@@ -0,0 +1,9 @@
+import unjs from "eslint-config-unjs";
+
+// https://github.com/unjs/eslint-config
+export default unjs({
+  ignores: [
+    "**/.docs"
+  ],
+  rules: {},
+});

.eslintrc

@@ -34,7 +34,7 @@ describe("findBlocks", () => {
 <!-- /automd -->
   `;
 
-  // eslint-disable-next-line unicorn/consistent-function-scoping
+   
   const mkBlock = (generator: string, rawArgs: string, contents: string) => ({
     generator,
     rawArgs,