Script logic update.
Includes:
- Adds Approved App Updates detection v10.4 Hybrid Registry Discovery
- Adds Approved App Updates remediation v10.4 HybridRegistry AllNonFatal
- Adds diagnostic winget --name fallback discovery
- Updates Intune setup and pilot runbook documentation for v10.4
- Keeps update targeting controlled through the approved application list
- Keeps missing applications as no-install behavior
- Keeps RegistryOnly applications skipped by default
- Maintains all app-level remediation failures as non-fatal warnings
- Updates VERSION.txt to v10.4.0
- Refreshes README, changelog, GitHub Pages documentation and checksums