DOC: Use lower case for PyPI release notes link

DanShatford · DanShatford · commit f4530c52efec · 2023-09-04T16:28:20.000Z
diff --git a/pyproject.toml b/pyproject.toml
@@ -66,7 +66,7 @@ documentation = "https://numpy.org/doc/"
 source = "https://github.com/numpy/numpy"
 download = "https://pypi.org/project/numpy/#files"
 tracker = "https://github.com/numpy/numpy/issues"
-"Release Notes" = "https://numpy.org/doc/stable/release"
+"release notes" = "https://numpy.org/doc/stable/release"
 
 [tool.towncrier]
     # Do no set this since it is hard to import numpy inside the source directory
