Ignore "muted" errors during request creation

src/microdot/microdot.py

@@ -1371,6 +1371,11 @@ class Microdot:
         try:
             req = await Request.create(self, reader, writer,
                                        writer.get_extra_info('peername'))
+        except OSError as exc:  # pragma: no cover
+            if exc.errno in MUTED_SOCKET_ERRORS:
+                pass
+            else:
+                raise
         except Exception as exc:  # pragma: no cover
             print_exception(exc)