GitHub Actions Reusable Workflows

Help me create reusable GitHub Actions workflows for my organization.

Organization needs:
- Languages used: [list languages]
- Common deployment targets: [list targets]
- Security requirements: [scanning, compliance]
- Standardization needs: [describe]

Reusable workflows needed:
1. Build and test workflow
   - Matrix builds
   - Caching
   - Artifact handling

2. Security scanning workflow
   - SAST (CodeQL)
   - Dependency scanning
   - Secret scanning

3. Deployment workflow
   - Environment inputs
   - Approval gates
   - Rollback capability

4. Release workflow
   - Semantic versioning
   - Changelog generation
   - Asset publishing

Composite actions:
- Setup language environment
- Docker build and push
- Notification action
- Cache restoration

Include workflow_call triggers, inputs, outputs, and secrets handling.