[nrf noup] ci: fix suit-dfu-test entries in test-spec#2264

nordicjm merged 1 commit intonrfconnect:mainnrfconnect/sdk-zephyr:mainfrom

kszromek-nordic:fix/dfu_test_speckszromek-nordic/sdk-zephyr:fix/dfu_test_specCopy head branch name to clipboard