Add to release notes

Author: marcphilipp

documentation/src/docs/asciidoc/release-notes/release-notes-5.12.0-M1.adoc

@@ -38,9 +38,11 @@ JUnit repository on GitHub.
   `--select-file` and `--select-resource`.
 * `ConsoleLauncher` now accepts multiple values for all `--select` options.
 * Add `--select-unique-id` support to ConsoleLauncher.
-* The `junit-platform-reporting` module now contributes a section containing
-  JUnit-specific metadata about each test/container to the HTML report written by
-  open-test-reporting when added to the classpath/module path.
+* The following improvements have been made to the open-test-reporting XML output:
+  - Information about the Git repository, the current branch, the commit hash, and the
+    current worktree status are now included in the XML report, if applicable.
+  - A section containing JUnit-specific metadata about each test/container to the HTML
+    report is now written by open-test-reporting when added to the classpath/module path
 
 
 [[release-notes-5.12.0-M1-junit-jupiter]]