Optimize CI/CD clone process: Preserve compilation cache

- Always clone fresh from ALM, keeping /home/gbuser/target for incremental builds
- /home/gbuser/target is outside workspace, persists across runs
- Simplified clone logic, removed complex conditional checks

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.forgejo/workflows/botserver.yaml

@@ -27,7 +27,7 @@ jobs:
       - name: Clean and Clone Fresh
         run: |
           cd $WORKSPACE
-          # Remove old source, keep only target cache
+          # Remove old workspace, keep /home/gbuser/target for compilation cache
           rm -rf gb-ws
           # Fresh clone with full history
           git clone --branch main https://alm.pragmatismo.com.br/GeneralBots/gb.git gb-ws