[chore]: enable whitespace linter for extension (#36310) #94379

Job	Run time
windows-unittest-matrix (receiver-0)	16m 13s
windows-unittest-matrix (receiver-1)	14m 28s
windows-unittest-matrix (receiver-2)	19m 22s
windows-unittest-matrix (receiver-3)	10m 1s
windows-unittest-matrix (processor-0)	7m 2s
windows-unittest-matrix (processor-1)	7m 9s
windows-unittest-matrix (exporter-0)	17m 0s
windows-unittest-matrix (exporter-1)	23m 2s
windows-unittest-matrix (exporter-2)	11m 51s
windows-unittest-matrix (exporter-3)	6m 2s
windows-unittest-matrix (extension)	7m 49s
windows-unittest-matrix (connector)	5m 20s
windows-unittest-matrix (internal)	12m 21s
windows-unittest-matrix (pkg)	8m 14s
windows-unittest-matrix (cmd-0)	5m 13s
windows-unittest-matrix (cmd-1)	7m 6s
windows-unittest-matrix (other)	9m 54s
windows-unittest	3s
	3h 8m 10s

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