Bump streetsidesoftware/cspell-action from 6 to 7 (#6205) #13111

Job	Run time
setup-environment	1m 26s
generate-metrics	5m 46s
tidy	2m 5s
coverage	11m 50s
cross-compile (binaries-darwin_amd64)	5m 21s
gofmt	7m 4s
lint	16m 38s
cross-compile (binaries-darwin_arm64)	5m 21s
test	15m 55s
cross-compile (binaries-linux_amd64)	5m 11s
cross-compile (binaries-linux_arm64)	5m 18s
cross-compile (binaries-windows_amd64)	5m 23s
cross-compile (binaries-linux_ppc64le)	5m 14s
	1h 32m 32s

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