Fix validation for `Action.Type` field #114

Job	Run time
Dependency Updates / Assert PR branch is ahead	3s
Go Module Validation / Assert PR branch is ahead	3s
Lint / Assert PR branch is ahead	10s
Vulnerability / Assert PR branch is ahead	4s
Dependency Updates / Look for available minor or patch releases	21s
Go Module Validation / Look for missing go.mod changes	22s
Go Module Validation / Look for missing vendored dependencies	21s
Vulnerability / govulncheck	22s
Lint / Lint Dockerfiles	10s
Lint / Lint Markdown files	7s
	2m 3s

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