QtPDF depends on cups-config during populate_sdk

| CMake Error at /oe/tmp/work/cortexa72-cortexa53-crypto-poky-linux/qtpdf/6.8.0/git/cmake/Gn.cmake:80 (message):
|   -- GN FAILED
|   ERROR at //printing/BUILD.gn:456:16: Script returned non-zero exit code.
|           libs = exec_script("cups_config_helper.py",
|                  ^----------
|   Current dir:
|   /oe/tmp/work/cortexa72-cortexa53-crypto-poky-linux/qtpdf/6.8.0/build/src/pdf/Release/aarch64/
|   Command:
|   /oe/tmp/work/cortexa72-cortexa53-crypto-poky-linux/qtpdf/6.8.0/recipe-sysroot-native/usr/bin/python3-native/python3
|   /oe/tmp/work/cortexa72-cortexa53-crypto-poky-linux/qtpdf/6.8.0/git/src/3rdparty/chromium/printing/cups_config_helper.py
|   --libs-for-gn
|   Returned 1.
|   stderr:
|   Traceback (most recent call last):
|     File "/oe/tmp/work/cortexa72-cortexa53-crypto-poky-linux/qtpdf/6.8.0/git/src/3rdparty/chromium/printing/cups_config_helper.py", line 108,
|       sys.exit(main())
|                ^^^^^^
|     File "/oe/tmp/work/cortexa72-cortexa53-crypto-poky-linux/qtpdf/6.8.0/git/src/3rdparty/chromium/printing/cups_config_helper.py", line 92, in main
|       flags = run_cups_config(cups_config, mode)
|               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|     File "/oe/tmp/work/cortexa72-cortexa53-crypto-poky-linux/qtpdf/6.8.0/git/src/3rdparty/chromium/printing/cups_config_helper.py", line 35, in run_cups_config
|       cups = subprocess.Popen([cups_config, '--cflags', '--ldflags', '--libs'],
|              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|     File "/oe/tmp/work/cortexa72-cortexa53-crypto-poky-linux/qtpdf/6.8.0/recipe-sysroot-native/usr/lib/python3.12/subprocess.py", line 1026, in __init__
|       self._execute_child(args, executable, preexec_fn, close_fds,
|     File "/oe/tmp/work/cortexa72-cortexa53-crypto-poky-linux/qtpdf/6.8.0/recipe-sysroot-native/usr/lib/python3.12/subprocess.py", line 1955, in _execute_child
|       raise child_exception_type(errno_num, err_msg, err_filename)
|   FileNotFoundError: [Errno 2] No such file or directory: 'cups-config'
|   See //content/web_test/BUILD.gn:369:15: which caused the file to be
|   included.
|       deps += [ "//printing" ]
|                 ^-----------
|   ninja: build stopped: subcommand failed.