Fix status merging with skipped pipelines (#6176)

cmd/server/openapi/docs.go

@@ -5529,6 +5529,7 @@ const docTemplate = `{
                 "success",
                 "failure",
                 "killed",
+                "canceled",
                 "error",
                 "blocked",
                 "declined",
@@ -5536,6 +5537,7 @@ const docTemplate = `{
             ],
             "x-enum-comments": {
                 "StatusBlocked": "waiting for approval",
+                "StatusCanceled": "canceled but hasn't been started",
                 "StatusCreated": "created / internal use only",
                 "StatusDeclined": "blocked and declined",
                 "StatusError": "error with the config / while parsing / some other system problem",
@@ -5553,6 +5555,7 @@ const docTemplate = `{
                 "successfully finished",
                 "failed to finish (exit code != 0)",
                 "killed by user",
+                "canceled but hasn't been started",
                 "error with the config / while parsing / some other system problem",
                 "waiting for approval",
                 "blocked and declined",
@@ -5565,6 +5568,7 @@ const docTemplate = `{
                 "StatusSuccess",
                 "StatusFailure",
                 "StatusKilled",
+                "StatusCanceled",
                 "StatusError",
                 "StatusBlocked",
                 "StatusDeclined",