Rewrite sponsor logo links to release versions

This should allow us to not keep the logos around forever in our repo.

I won't work in-dev on test PyPI, but that trade off should be worth it.

Author: hynek

pyproject.toml

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: MIT
 
 [build-system]
-requires = ["hatchling", "hatch-vcs", "hatch-fancy-pypi-readme"]
+requires = ["hatchling", "hatch-vcs", "hatch-fancy-pypi-readme>=23.2.0"]
 build-backend = "hatchling.build"
 
 
@@ -112,6 +112,11 @@ text = """
 [Full changelog](https://www.attrs.org/en/stable/changelog.html)
 """
 
+# Point sponsor image URLs to versions.
+[[tool.hatch.metadata.hooks.fancy-pypi-readme.substitutions]]
+pattern = '\/latest\/_static/sponsors'
+replacement = '/$HFPR_VERSION/_static/sponsors'
+
 
 [tool.pytest.ini_options]
 addopts = ["-ra", "--strict-markers", "--strict-config"]