refactor(parser): Simplify @pgsql/types replacement logic

- Replace @pgsql/types with ./types in all .js, .cjs, and .d.ts files
- Use global regex replacement for comprehensive coverage
- Cleaner and more maintainable approach

Author: pyramation

.gitignore

@@ -25,3 +25,4 @@ libpg_query/**/*.proto
 npm-debug.log
 .claude
 .openhands/
+.DS_Store

parser/scripts/prepare.js

@@ -108,10 +108,10 @@ config.versions.forEach(version => {
       console.log(`Copying ${file} for v${version}...`);
       fs.copyFileSync(sourcePath, destPath);
 
-      // Update index.d.ts to use local types
-      if (file === 'index.d.ts') {
+      // Update any references to @pgsql/types to use local types
+      if (file.endsWith('.js') || file.endsWith('.cjs') || file.endsWith('.d.ts')) {
         let content = fs.readFileSync(destPath, 'utf8');
-        content = content.replace('export * from "@pgsql/types";', 'export * from "./types";');
+        content = content.replace(/@pgsql\/types/g, './types');
         fs.writeFileSync(destPath, content);
       }
     }