Fix a tiny bug in the update-changelog script - no -E on docker

CHANGELOG.md

@@ -1529,7 +1529,7 @@ in `cucumber.api` stable from now on, with proper deprecation warnings in case s
 
 <!-- Releases -->
 [Unreleased]: https://github.com/cucumber/cucumber-jvm/compare/v6.6.1...main
-[6.6.1]:  https://github.com/cucumber/cucumber-jvm/compare/v6.5.1...v6.6.1
+[6.6.1]:  https://github.com/cucumber/cucumber-jvm/compare/v6.6.0...v6.6.1
 [6.6.0]:  https://github.com/cucumber/cucumber-jvm/compare/v6.5.1...v6.6.0
 [6.5.1]:  https://github.com/cucumber/cucumber-jvm/compare/v6.5.0...v6.5.1
 [6.5.0]:  https://github.com/cucumber/cucumber-jvm/compare/v6.4.0...v6.5.0

scripts/update-changelog.sh

@@ -60,7 +60,7 @@ insertion_line_number=$((line_number + 1))
 release_link=$(echo "${changelog}" | head -n ${insertion_line_number} | tail -1)
 new_release_link=$(echo "${release_link}" | \
   sed "s/${last_version}/${new_version}/g" | \
-  sed -E "s/v[0-9]\+.[0-9]\+.[0-9]\+/v${last_version}/")
+  sed "s/v[0-9]\+.[0-9]\+.[0-9]\+/v${last_version}/")
 
 changelog=$(echo "${changelog}" | sed "${insertion_line_number} i \\
 ${new_release_link}