Fix typo in pos_map: "G1": "V" should be "VERB"

This typo is inherited from pycantonese. I also filed an issue there: https://github.com/jacksonllee/pycantonese/issues/48

hkcancor.py

@@ -106,7 +106,7 @@ class Hkcancor(datasets.GeneratorBasedBuilder):
         "ECHO0": "PROPN",  # In one instance of "Big Echo"
         "F": "ADV",  # HKCanCor: Directional Locality
         "G": "X",  # HKCanCor: Morpheme
-        "G1": "V",  # The first A in the "A-not-AB" pattern, where AB is a verb.
+        "G1": "VERB",  # The first A in the "A-not-AB" pattern, where AB is a verb.
         "G2": "ADJ",  # The first A in "A-not-AB", where AB is an adjective.
         "H": "PROPN",  # HKCanCor: Prefix (aa3 阿 followed by a person name)
         "HILL0": "PROPN",  # In "Benny Hill"