message: docs: copy release notes from 11.2.3
diff: +## 11.2.3 (2021-02-24)
  +
  +
  +### Performance Improvements
  +
  +* **language-service:** Skip Angular analysis when quick info requested outside a template ([#40956](https://github.com/angular/angular/issues/40956)) ([0dd1fac](https://github.com/angular/angular/commit/0dd1facc3292aec6b0ca6fd65fc73efae2c194fc))
  +
  +
  +
  ## 11.2.2 (2021-02-22)
  