The scap repo has tags for [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/tools/scap/+/debian/3.10.0-1 | debian/3.10.0-1 ]] on the release branch.
Instructions for updating are on Wikitech.
Here is the full changelog for this release:
debian/changelog
scap (3.10.0-1) unstable; urgency=low [ Antoine Musso ] * Revert "Get rid of .gitreview" (Bug: T191373) [ Effie Mouzeli ] * Updated .gitignore for .idea/ directories [ Roan Kattouw ] * Clear MessageBlobStore after syncing i18n data (Bug: T222539, T217719) [ Tyler Cipriani ] * clear_message_blobs: no logger in context * clear_message_blobs: call once (Bug: T222539) * Bump version to 3.10.0 -- Tyler Cipriani <tcipriani@wikimedia.org> Mon, 03 Jun 2019 11:17:12 -0600