fix: Set correct permissions for npm bin

Author: eliassjogreen

deno.json

@@ -1,6 +1,6 @@
 {
   "name": "@denosaurs/typefetch",
-  "version": "0.0.25",
+  "version": "0.0.26",
   "exports": {
     ".": "./main.ts"
   },

scripts/npm.ts

@@ -53,5 +53,6 @@ await build({
   postBuild() {
     Deno.copyFileSync("LICENSE", "npm/LICENSE");
     Deno.copyFileSync("README.md", "npm/README.md");
+    Deno.chmod("npm/esm/main.js", 0o711);
   },
 });