Add PR number to CHANGELOG.md

Co-authored-by: David Hewitt <1939362+davidhewitt@users.noreply.github.com>

CHANGELOG.md

@@ -24,7 +24,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Remove FFI definition `PyFrame_ClearFreeList` when building for Python 3.9. [#1341](https://github.com/PyO3/pyo3/pull/1341)
 - Remove FFI definition `_PyDict_Contains` when building for Python 3.10. [#1341](https://github.com/PyO3/pyo3/pull/1341)
 - Remove FFI definitions `PyGen_NeedsFinalizing`, `PyImport_Cleanup` (for 3.9 and up), and `PyOS_InitInterrupts` (3.10). [#1348](https://github.com/PyO3/pyo3/pull/1348)
-- Deprecate FFI definitions for `PyUnicode_FromUnicode`, `PyUnicode_AsUnicode` and `PyUnicode_AsUnicodeAndSize`, which will be removed from 3.12 and up due to [PEP 613](https://www.python.org/dev/peps/pep-0623/).
+- Deprecate FFI definitions for `PyUnicode_FromUnicode`, `PyUnicode_AsUnicode` and `PyUnicode_AsUnicodeAndSize`, which will be removed from 3.12 and up due to [PEP 613](https://www.python.org/dev/peps/pep-0623/). [#1370](https://github.com/PyO3/pyo3/pull/1370)
 
 ### Fixed
 - Stop including `Py_TRACE_REFS` config setting automatically if `Py_DEBUG` is set on Python 3.8 and up. [#1334](https://github.com/PyO3/pyo3/pull/1334)