fix: update Bicep metadata to 0.44.1

[github-actions]

The automated language version check found a pending Bicep update.

• Language: Bicep (bicep)
• Current version: 0.43.8
• Detected version: 0.44.1
• Source: https://api.github.com/repos/Azure/bicep/releases/latest
• File: src/languages/bicep.ts

Please verify the upstream source before updating the metadata.