Fix link to signed releases

Author: adangel

_posts/2025-02-28-PMD-7.11.0.md

@@ -31,7 +31,7 @@ This is a minor release.
 #### Signed Releases
 We now not only sign the maven artifacts, but also our binary distribution files that you can
 download from [GitHub Releases](https://github.com/pmd/pmd/releases).
-See the page [Signed Releases](pmd_userdocs_signed_releases.html) in our documentation for how to verify the files.
+See the page [Signed Releases](https://docs.pmd-code.org/pmd-doc-7.11.0/pmd_userdocs_signed_releases.html) in our documentation for how to verify the files.
 
 ### 🐛 Fixed Issues
 * apex-errorprone