Add Changelog link to PyPI page (#1462)

Makes it easy to find out about changes, and it gets a little "present" icon, for example https://pypi.org/project/django-linear-migrations/
2021-02-09 14:10:42 +00:00 · 2021-02-09 14:10:42 +00:00 · d964343fa1
commit d964343fa1
parent 2847869475
1 changed files with 1 additions and 0 deletions
--- a/setup.py
+++ b/setup.py
@ -41,6 +41,7 @@ setup(
    version=get_version("httpx"),
    url="https://github.com/encode/httpx",
    project_urls={
+        "Changelog": "https://github.com/encode/httpx/blob/master/CHANGELOG.md",
        "Documentation": "https://www.python-httpx.org",
        "Source": "https://github.com/encode/httpx",
    },