fix: remove GitHub Package Registry publishing to resolve auth errors

- Remove @semantic-release/exec plugin that was failing with authentication
- Focus on core NPM publishing which works correctly
- Eliminates 'need auth' errors blocking the release process
- GitHub releases will still be created automatically

Author: kauandotnet

release.config.js

@@ -27,13 +27,7 @@ module.exports = {
         tarballDir: "dist",
       },
     ],
-    [
-      "@semantic-release/exec",
-      {
-        publishCmd:
-          'cp package.json package.json.bak && jq \'.name = "@btwld/nestjs-worker" | .publishConfig.registry = "https://npm.pkg.github.com"\' package.json > package.json.tmp && mv package.json.tmp package.json && npm publish && mv package.json.bak package.json',
-      },
-    ],
+
     [
       "@semantic-release/github",
       {