fix: add back noErrors = false to emitSkipped (#381)

- apparently `emitSkipped` can indeed happen without there being a semantic or syntactic error
  - so add back the previous unconditional behavior of `noErrors`

- still not clear what exactly triggers `emitSkipped` though, see my TS issue

src/index.ts

@@ -198,6 +198,7 @@ const typescript: PluginImpl<RPT2Options> = (options) =>
 
 				if (output.emitSkipped)
 				{
+					noErrors = false;
 					// always checking on fatal errors, even if options.check is set to false
 					typecheckFile(id, snapshot, contextWrapper);