doc/rl-2505: fix renovate release notes link (#410280)

doc/release-notes/rl-2505.section.md

@@ -74,7 +74,7 @@
   configuration settings. Notably, it now defaults to listening on a socket
   rather than a port. See [Migrating from version 1.x](https://github.com/roehling/postsrsd/blob/2.0.10/README.rst#migrating-from-version-1x) and [Postfix Setup](https://github.com/roehling/postsrsd?tab=readme-ov-file#postfix-setup) for details.
 
-- `renovate` was updated to v39. See the [upstream release notes](https://docs.renovatebot.com/release-notes-for-major-versions/#version-39) for breaking changes.
+- `renovate` was updated to v39. See the [upstream release notes](https://github.com/renovatebot/renovate/releases/tag/39.0.0) for breaking changes.
   Like upstream's docker images, renovate now runs on NodeJS 22.
 
 - The hand written `perlPackages.SearchXapian` bindings have been dropped in favor of the (mostly compatible)
@@ -323,9 +323,6 @@
 
 - `tldr` now uses [`tldr-python-client`](https://github.com/tldr-pages/tldr-python-client) instead of [`tldr-c-client`](https://github.com/tldr-pages/tldr-c-client) which is unmaintained.
 
-- `renovate` was updated to v39. See the [upstream release notes](https://docs.renovatebot.com/release-notes-for-major-versions/#version-39) for breaking changes.
-  Like upstream's docker images, renovate now runs on NodeJS 22.
-
 - The behavior of the `networking.nat.externalIP` and `networking.nat.externalIPv6` options has been changed. `networking.nat.forwardPorts` now only forwards packets destined for the specified IP addresses.
 
 - `python3Packages.bpycv` has been removed due to being incompatible with Blender 4 and unmaintained.