Fix release note links (#3106)

Co-authored-by: Davis Bennett <[email protected]>

Author: dstansby

docs/conf.py

@@ -105,7 +105,8 @@ def skip_submodules(
      "roadmap": "developers/roadmap.html",
      "installation": "user-guide/installation.html",
      "api": "api/zarr/index",
-     "release": "release-notes"
+     "release": "release-notes.html",
+     "release-notes": "release-notes.html"
 }
 
 # The language for content autogenerated by Sphinx. Refer to documentation

pyproject.toml

@@ -112,7 +112,7 @@ docs = [
 
 [project.urls]
 "Bug Tracker" = "https://github.com/zarr-developers/zarr-python/issues"
-Changelog = "https://zarr.readthedocs.io/en/stable/release.html"
+Changelog = "https://zarr.readthedocs.io/en/stable/release-notes.html"
 Discussions = "https://github.com/zarr-developers/zarr-python/discussions"
 Documentation = "https://zarr.readthedocs.io/"
 Homepage = "https://github.com/zarr-developers/zarr-python"