v0.2.20

Changelog

• 3eb2fad chore: Release node-cleaner version 0.2.20
• 259a5c8 fix: Update Zig installation steps to use /opt/zig and create symlink in /usr/local/bin
• 16329a5 fix: Update Zig installation step to ensure binary is correctly placed in /usr/local/bin
• 6504b05 fix: Clean up Zig installation by removing temporary files