Clean up downloaded .deb files after checksum-mode updates

.gitignore

@@ -4,3 +4,4 @@
 *.pkg.tar.*
 */src/
 */pkg/
+*.deb

scripts/update-package.sh

@@ -112,7 +112,7 @@ mv "$pkg/.SRCINFO.new" "$pkg/.SRCINFO"
 
 # drop downloaded sources and build leftovers (all gitignored, never tracked)
 rm -rf "$pkg/src" "$pkg/pkg"
-rm -f "$pkg"/*.pkg.tar.* "$pkg"/*.tar.zst "$pkg"/*.tar.gz
+rm -f "$pkg"/*.pkg.tar.* "$pkg"/*.tar.zst "$pkg"/*.tar.gz "$pkg"/*.deb
 
 ### 4: commit back to this repository ########################################