ci: add Cloudsmith packaging support (#5611)

cmake/packaging/linux.cmake

@@ -50,6 +50,12 @@ endif()
 # RPM specific
 set(CPACK_RPM_PACKAGE_LICENSE "GPLv3")
 
+# DEB specific
+set(CPACK_DEBIAN_FILE_NAME DEB-DEFAULT)
+if(DEFINED ENV{DEBIAN_PACKAGE_RELEASE})  # cmake-lint: disable=W0106
+    set(CPACK_DEBIAN_PACKAGE_RELEASE "$ENV{DEBIAN_PACKAGE_RELEASE}")
+endif()
+
 # FreeBSD specific
 set(CPACK_FREEBSD_PACKAGE_MAINTAINER "${CPACK_PACKAGE_VENDOR}")
 set(CPACK_FREEBSD_PACKAGE_ORIGIN "misc/${CPACK_PACKAGE_NAME}")