Update coverage/README.md

Author: NicoLaval

coverage/README.md

@@ -6,6 +6,11 @@ We are working on a suite of compatibility tests to ensure conformance with the
 
 🛠️ _Work in Progress_
 
+### Issues/discussions to follow
+
+- [junit5](https://github.com/junit-team/junit5/discussions/4504#discussioncomment-13046641)
+- [surefire](https://github.com/apache/maven-surefire/issues/835)
+
 ### Temporary run procedure
 
 While [TCK](https://github.com/sdmx-twg/vtl/pull/565) is not automated in the VTL TF repository, we have to build the input source manually.