Add changelog for 0.38.0

CHANGELOG.md

+## 0.38.0 (2024-11-02)
+
+### Fixed (2 changes)
+
+- [Fix job dependency in full-pipeline when using job prefix](https://gitlab.com/components/opentofu/-/commit/ddf4404f2b0c6df799c40c15eabb08aeca623e90)
+- [Fix component version regex in renovate config](https://gitlab.com/components/opentofu/-/commit/879b197004e5d22f57e7f9cc590ba8165f7f2d96)
+
 ## 0.37.0-rc7 (2024-10-31)
 
 ### Added (4 changes)