Release changes (#113)

## Change summary:

### No packages to be bumped at **major**

### 7 packages to be bumped at **minor**:
- @alloy-js/core `0.11.0` → `0.12.0`
- @alloy-js/java `0.11.0` → `0.12.0`
- @alloy-js/json `0.11.0` → `0.12.0`
- @alloy-js/csharp `0.11.0` → `0.12.0`
- @alloy-js/typescript `0.11.0` → `0.12.0`
- @alloy-js/create `0.11.2` → `0.12.0`
- @alloy-js/cli `0.11.0` → `0.12.0`

### No packages to be bumped at **patch**

Co-authored-by: Auto Chronus Bot <chronus@github.com>

Author: github-actions[bot]