pin to v1.0.0 of github action parser

vendor/github.com/actions/workflow-parser/parser/events.go

@@ -0,0 +1,42 @@
+package parser
+
+import (
+	"strings"
+)
+
+// isAllowedEventType returns true if the event type is supported.
+func isAllowedEventType(eventType string) bool {
+	_, ok := eventTypeWhitelist[strings.ToLower(eventType)]
+	return ok
+}
+
+// https://developer.github.com/actions/creating-workflows/workflow-configuration-options/#events-supported-in-workflow-files
+var eventTypeWhitelist = map[string]struct{}{
+	"check_run":                   {},
+	"check_suite":                 {},
+	"commit_comment":              {},
+	"create":                      {},
+	"delete":                      {},
+	"deployment":                  {},
+	"deployment_status":           {},
+	"fork":                        {},
+	"gollum":                      {},
+	"issue_comment":               {},
+	"issues":                      {},
+	"label":                       {},
+	"member":                      {},
+	"milestone":                   {},
+	"page_build":                  {},
+	"project_card":                {},
+	"project_column":              {},
+	"project":                     {},
+	"public":                      {},
+	"pull_request_review_comment": {},
+	"pull_request_review":         {},
+	"pull_request":                {},
+	"push":                        {},
+	"release":                     {},
+	"repository_dispatch":         {},
+	"status":                      {},
+	"watch":                       {},
+}