Update changelog for 1.3.2

[KumoLiu]

part of #7870

Types of changes

• Non-breaking change (fix or new feature that would not break existing functionality).
• Breaking change (fix or new feature that would cause existing functionality to change).
• New tests added to cover the changes.
• Integration tests passed locally by running ./runtests.sh -f -u --net --coverage.
• Quick tests passed locally by running ./runtests.sh --quick --unittests --disttests.
• In-line docstrings updated.
• Documentation updated, tested make html command in the docs/ folder.

[mingxin-zheng]

Hi @KumoLiu , I would suggest to check out @ericspod 's post:
#7866

In the discussion, we would just do a hotfix to limit numpy version, and that should be the only difference between 1.3.1 and 1.3.2.