PEP 665: add missing link targets

Author: brettcannon

pep-0665.rst

@@ -960,7 +960,9 @@ CC0-1.0-Universal license, whichever is more permissive.
 .. _build system declaration spec: https://packaging.python.org/specifications/declaring-build-dependencies/
 .. _core metadata spec: https://packaging.python.org/specifications/core-metadata/
 .. _Dart: https://dart.dev/
+.. _Dependabot: https://dependabot.com/
 .. _dependency specifier spec: https://packaging.python.org/specifications/dependency-specifiers/
+.. _direct URL origin of installed distributions spec: https://packaging.python.org/specifications/direct-url/
 .. _Git: https://git-scm.com/
 .. _JSON: https://www.json.org/
 .. _npm: https://www.npmjs.com/
@@ -970,7 +972,7 @@ CC0-1.0-Universal license, whichever is more permissive.
 .. _platform compatibility tags: https://packaging.python.org/specifications/platform-compatibility-tags/
 .. _Poetry: https://pypi.org/project/poetry/
 .. _Pyflow: https://pypi.org/project/pyflow/
-.. _direct URL origin of installed distributions spec: https://packaging.python.org/specifications/direct-url/
+.. _PyUP: https://pyup.io/
 .. _Rust: https://www.rust-lang.org/
 .. _SecureDrop: https://securedrop.org/
 .. _simple repository API: https://packaging.python.org/specifications/simple-repository-api/