fix(52761): overload tag is not supported in completions (#52762)

src/services/jsDoc.ts

@@ -145,6 +145,7 @@ const jsDocTagNames = [
     "module",
     "name",
     "namespace",
+    "overload",
     "override",
     "package",
     "param",

tests/cases/fourslash/jsdocOverloadTagCompletion.ts

@@ -0,0 +1,13 @@
+///<reference path="fourslash.ts" />
+
+// @allowJS: true
+// @checkJs: true
+
+// @filename: /a.js
+/////**
+//// * @/**/
+//// */
+
+verify.completions(
+    { marker: "", includes: ["overload"] },
+);