fix: resolve CLI validation, CI workflow, lint, and config issues

[utkarshjain1338-hub]

Description

This PR fixes multiple issues across the CLI, CI/CD workflows, linting pipeline, and project configuration.

Changes made:

• Fixed app name validation in zerithdb-cli for positional arguments.
• Removed emojis from GitHub Actions job names to resolve branch protection check failures.
• Fixed PR Welcome Bot permissions and YAML parsing issues.
• Updated broken changeset configuration references.
• Removed failing lint/test scripts from stub packages.
• Resolved ESLint errors and strict CI warnings.
• Fixed outdated documentation links in CONTRIBUTING.md.

Fixes # (if applicable)

Type of change

• 🐛 Bug fix (non-breaking change which fixes an issue)
• 📚 Documentation update
• 🚀 Performance improvement

Checklist

• My code follows the style guidelines of this project (pnpm format:check, pnpm lint)
• I have performed a self-review of my own code
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• New and existing unit tests pass locally with my changes

Additional Context

These fixes improve overall CI stability, developer experience, and project maintainability by resolving workflow failures, validation issues, and broken configuration references.