[deps] Platform: Update webpack-cli to v6 #29639

Job	Run time
Check PR run / Check	2s
Check PR run / Check	4s
Setup	0s
Setup	3s
CLI ${{ matrix.os.base }} - ${{ matrix.license_type.readable }}	0s
Windows - ${{ matrix.license_type.readable }}	0s
Build Snap	0s
Build Snap	2m 58s
Check for failures	12s
Check for failures	10s
CLI linux - open source license	3m 35s
Windows - open source license	8m 26s
Windows - commercial license	8m 0s
CLI linux - commercial license	3m 43s
CLI mac - open source license	6m 25s
CLI mac - commercial license	8m 32s
	42m 10s

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