Don't spell-check go.mod and go.sum #6035

Job	Run time
Unit tests (1.22.x)	51s
Unit tests (1.23.x)	4m 8s
Integration tests	18m 58s
Integration tests (on Linux) (alpine.yaml)	6m 54s
Lints	1m 57s
Integration tests (on Linux) (debian.yaml)	6m 44s
Integration tests (on Linux) (fedora.yaml)	6m 39s
Integration tests (on Linux) (opensuse.yaml)	7m 46s
Spell check	14s
Windows tests	15m 49s
Integration tests (on Linux) (docker.yaml)	7m 28s
Integration tests (on Linux) (../hack/test-templates/alpine-iso-9p-writable.yaml)	5m 44s
Integration tests (on Linux) (../hack/test-templates/net-user-v2.yaml)	7m 23s
Integration tests (on Linux) (../hack/test-templates/test-misc.yaml)	19m 33s
Colima (v0.6.5)	8m 8s
Upgrade test (v0.15.1)	25m 32s
VMNet test	12m 48s
vz (default.yaml)	7m 50s
vz (fedora.yaml)	10m 38s
	2h 55m 4s

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