build: update dependency less-loader to v13 #10415

Job	Run time
build	21s
build-e2e-windows	22s
lint	22s
test	1s
publish-snapshots	1s
Browser Compatibility Tests	1s
e2e-snapshots	1s
e2e-package-managers	1s
e2e	1s
e2e-windows	1s
	1m 12s

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