chore(deps): bump shogo82148/actions-goveralls from 1.7.0 to 1.8.0 #773

Job	Run time
tests / Collect available Go versions	4s
tests / checks (1.20)	39s
tests / checks (1.21)	1m 3s
tests / run (ubuntu-latest, 1.20)	1m 31s
tests / run (ubuntu-latest, 1.21)	1m 55s
tests / run (macos-latest, 1.20)	1m 51s
tests / run (macos-latest, 1.21)	1m 46s
tests / run (windows-latest, 1.20)	5m 7s
tests / run (windows-latest, 1.21)	2m 23s
tuf-client	0s
tuf	0s
	16m 19s

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