Update workflow-preset to v1.3.11

[bigsmartben]

Summary

• Update bundled workflow-preset to v1.3.11.
• Update presets/catalog.json and presets/catalog.community.json metadata.
• Add an integration follow-up fix for the bundled preset contract test version assertion.

Community Integration Metadata

• Submission route: pr-template
• Catalog type: preset
• Source repository: https://github.com/bigsmartben/spec-kit-workflow-preset
• Source version: v1.3.11
• Source commit: 06d28ce4e0b53f4391cd4d11c49fc3eac2513172
• Download URL: https://github.com/bigsmartben/spec-kit-workflow-preset/releases/download/v1.3.11/spec-kit-workflow-preset-v1.3.11.zip
• Release artifact SHA256: e795b423981c5eab072c4fbfa3375ca3654ea647eb3ee6c3ff3746cd38d22b09
• Integration follow-up commit: 2f1c33f fixes the bundled test assertion from 1.3.10 to 1.3.11; release package contents are unchanged because preset tests are not included in the zip artifact.

Test Plan

• .venv\Scripts\python.exe -m pytest tests\test_presets.py -k workflow_preset -q
• From presets/workflow-preset: ..\..\.venv\Scripts\python.exe -m pytest tests\test_preset_contract.py -q
• scripts/community/validate-integration.ps1 with .venv\Scripts prepended to PATH
• GitHub Actions full PR matrix passed on commit 2f1c33f.