Fix validation for `Action.Type` field #117

Job	Run time
Dependency Updates / Assert PR branch is ahead	3s
Go Module Validation / Assert PR branch is ahead	5s
Lint / Assert PR branch is ahead	4s
Vulnerability / Assert PR branch is ahead	3s
Dependency Updates / Look for available minor or patch releases	15s
Vulnerability / govulncheck	28s
Lint / Lint Dockerfiles	8s
Lint / Lint Markdown files	12s
Go Module Validation / Look for missing vendored dependencies	15s
Go Module Validation / Look for missing go.mod changes	12s
	1m 45s

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