Attempt to change the output of module manifest

internal/modsdir/manifest.go

@@ -115,6 +115,12 @@ func (m Manifest) WriteSnapshot(w io.Writer) error {
 		} else {
 			record.VersionStr = ""
 		}
+
+		// Ensure Dir is written in a format that can be read by Linux and
+		// Windows nodes
+		if record.Dir != "" {
+			record.Dir = filepath.ToSlash(record.Dir)
+		}
 		write.Records = append(write.Records, record)
 	}