Add correct arrow type for dot printer

Author: Julfried

pylint/pyreverse/dot_printer.py

@@ -39,7 +39,7 @@ class HTMLLabels(Enum):
     EdgeType.ASSOCIATION: {
         "fontcolor": "green",
         "arrowtail": "none",
-        "arrowhead": "normal",
+        "arrowhead": "vee",
         "style": "solid",
     },
     EdgeType.AGGREGATION: {

tests/pyreverse/functional/class_diagrams/annotations/attributes_annotation.dot

@@ -3,5 +3,5 @@ rankdir=BT
 charset="utf-8"
 "attributes_annotation.Dummy" [color="black", fontcolor="black", label=<{Dummy|<br ALIGN="LEFT"/>|}>, shape="record", style="solid"];
 "attributes_annotation.Dummy2" [color="black", fontcolor="black", label=<{Dummy2|alternative_optional : int \| None<br ALIGN="LEFT"/>alternative_optional_swapped : None \| int<br ALIGN="LEFT"/>alternative_union_syntax : str \| int<br ALIGN="LEFT"/>class_attr : list[Dummy]<br ALIGN="LEFT"/>optional : Optional[Dummy]<br ALIGN="LEFT"/>optional_union : Optional[int \| str]<br ALIGN="LEFT"/>param : str<br ALIGN="LEFT"/>union : Union[int, str]<br ALIGN="LEFT"/>|}>, shape="record", style="solid"];
-"attributes_annotation.Dummy" -> "attributes_annotation.Dummy2" [arrowhead="normal", arrowtail="none", fontcolor="green", label="optional", style="solid"];
+"attributes_annotation.Dummy" -> "attributes_annotation.Dummy2" [arrowhead="vee", arrowtail="none", fontcolor="green", label="optional", style="solid"];
 }