fix: update bun to not use alias

Author: dillionverma

lib/rehype-npm-command.ts

@@ -40,7 +40,7 @@ export function rehypeNpmCommand() {
         );
         node.properties["__bunCommand__"] = npmCommand.replace(
           "npx",
-          "bunx --bun",
+          "bun x --bun",
         );
       }
 
@@ -76,7 +76,7 @@ export function rehypeNpmCommand() {
         );
         node.properties["__bunCommand__"] = npmCommand.replace(
           "npx",
-          "bunx --bun",
+          "bun x --bun",
         );
       }