Update release checklist for Roseau

Author: marcphilipp

RELEASING.md

@@ -29,7 +29,7 @@
 
 ### Feature releases (x.y.0)
 
-- [ ] Clear `accepted-breaking-changes.txt`, change `previousVersion` in `gradle.properties` to `x.y.0` on the release branch, and commit with message "Update API baseline and clear accepted breaking changes"
+- [ ] Delete `accepted-breaking-changes.csv` (if it exists), change `previousVersion` in `gradle.properties` to `x.y.0` on the release branch, and commit with message "Update API baseline and clear accepted breaking changes"
 - [ ] Fast-forward merge the release branch to `main` and push to GitHub
 - [ ] Update the [security policy](https://github.com/junit-team/junit-framework/blob/main/SECURITY.md) and commit with message "Update security policy to reflect 5.x release" or similar
 - [ ] Create release notes for the next feature release from the template
@@ -38,6 +38,6 @@
 ### Patch releases (x.y.z)
 
 - [ ] Cherry-pick the tagged commit from the release branch to `main` and resolve the conflict in `gradle.properties` by choosing the version of the `main` branch
-- [ ] Clear `accepted-breaking-changes.txt`, change `previousVersion` in `gradle.properties` to `x.y.z` on the release branch, and commit with message "Update API baseline and clear accepted breaking changes"
+- [ ] Delete `accepted-breaking-changes.csv` (if it exists), change `previousVersion` in `gradle.properties` to `x.y.z` on the release branch, and commit with message "Update API baseline and clear accepted breaking changes"
 - [ ] Include the release notes of the patch release on `main` if not already present
 - [ ] Update [JBang catalog](https://github.com/junit-team/jbang-catalog/blob/main/jbang-catalog.json)