Corrected broken URLs

Author: radarhere

docs/releasenotes/versioning.rst

@@ -11,7 +11,7 @@ Pillow follows `Semantic Versioning <https://semver.org/>`_:
     2. MINOR version when you add functionality in a backwards compatible manner, and
     3. PATCH version when you make backwards compatible bug fixes.
 
-Quarterly releases ("`Main Release <https://github.com/python-pillow/Pillow/blob/main/RELEASING.md#main-release>`_")
+Quarterly releases ("`Main Release <https://github.com/python-pillow/Pillow/blob/main/RELEASING.md#user-content-main-release>`_")
 bump at least the MINOR version, as new functionality has likely been added in the
 prior three months.
 
@@ -21,8 +21,8 @@ these occur every 12-18 months, guided by
 `Python's EOL schedule <https://devguide.python.org/#status-of-python-branches>`_, and
 any APIs that have been deprecated for at least a year are removed at the same time.
 
-PATCH versions ("`Point Release <https://github.com/python-pillow/Pillow/blob/main/RELEASING.md#point-release>`_"
-or "`Embargoed Release <https://github.com/python-pillow/Pillow/blob/main/RELEASING.md#embargoed-release>`_")
+PATCH versions ("`Point Release <https://github.com/python-pillow/Pillow/blob/main/RELEASING.md#user-content-point-release>`_"
+or "`Embargoed Release <https://github.com/python-pillow/Pillow/blob/main/RELEASING.md#user-content-embargoed-release>`_")
 are for security, installation or critical bug fixes. These are less common as it is
 preferred to stick to quarterly releases.