ci: run fuzz tests on every PR (#2845) #2556

Job	Run time
goreleaser-check	8s
branch_name	1s
lint / golangci-lint	26s
lint / yamllint	7s
markdown-linter / markdown-lint	8s
markdown-linter / markdown-link-check	1m 37s
test / test	8m 44s
test / test-coverage	2m 37s
test / test-short	1m 21s
test / test-fuzz	12m 29s
test / test-race	5m 58s
lint / hadolint / hadolint	9s
version_bump	4s
goreleaser	0s
	33m 49s

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