Add 1.8.1 to adjust_versions.py

Author: carmocca

requirements/adjust_versions.py

@@ -11,6 +11,7 @@
     "1.7.0": dict(torchvision="0.8.1", torchtext="0.8"),
     "1.7.1": dict(torchvision="0.8.2", torchtext="0.8.1"),
     "1.8.0": dict(torchvision="0.9.0", torchtext="0.9"),
+    "1.8.1": dict(torchvision="0.9.0", torchtext="0.9"),
 }