renamed "biginttype" to "bigint_type"

javascript/ql/src/semmle/javascript/TypeScript.qll

@@ -2008,7 +2008,7 @@ class NumberType extends Type, @number_type { }
 /**
  * The predefined `bigint` type.
  */
-class BigIntType extends Type, @biginttype { }
+class BigIntType extends Type, @bigint_type { }
 
 /**
  * A boolean, number, or string literal type.

javascript/ql/src/semmlecode.javascript.dbscheme

@@ -636,7 +636,7 @@ case @type.kind of
 | 21 = @number_literal_type
 | 22 = @string_literal_type
 | 23 = @unknown_type
-| 24 = @biginttype
+| 24 = @bigint_type
 | 25 = @bigintliteraltype
 ;
 

javascript/ql/src/semmlecode.javascript.dbscheme.stats

@@ -998,7 +998,7 @@
 <v>100</v>
 </e>
 <e>
-<k>@biginttype</k>
+<k>@bigint_type</k>
 <v>100</v>
 </e>
 <e>