fix: Use correct link format in changelogs

Author: Techassi

crates/k8s-version/CHANGELOG.md

@@ -8,7 +8,7 @@ All notable changes to this project will be documented in this file.
 
 - Replace `lazy_static` with `std::cell::LazyCell` ([#827]).
 
-[#827](https://github.com/stackabletech/operator-rs/pull/827)
+[#827]: https://github.com/stackabletech/operator-rs/pull/827
 
 ## [0.1.1] - 2024-07-10
 

crates/stackable-operator/CHANGELOG.md

@@ -8,7 +8,7 @@ All notable changes to this project will be documented in this file.
 
 - BREAKING: Replace `lazy_static` with `std::cell::LazyCell` ([#827]).
 
-[#827](https://github.com/stackabletech/operator-rs/pull/827)
+[#827]: https://github.com/stackabletech/operator-rs/pull/827
 
 ## [0.71.0] - 2024-07-29