fix: GreaterThan behavior with number type

Author: som-sm

source/greater-than.d.ts

@@ -20,12 +20,26 @@ type B = GreaterThan<1, 1>;
 type C = GreaterThan<1, 5>;
 //=> false
 ```
+
+Note: If either argument is the non-literal `number` type, the result is `boolean`.
+```
+import type {GreaterThan} from 'type-fest';
+
+type A = GreaterThan<number, 1>;
+//=> boolean
+
+type B = GreaterThan<1, number>;
+//=> boolean
+
+type C = GreaterThan<number, number>;
+//=> boolean
+```
 */
 export type GreaterThan<A extends number, B extends number> =
 	A extends number // For distributing `A`
 		? B extends number // For distributing `B`
 			? number extends A | B
-				? never
+				? boolean
 				: [
 					IsEqual<A, PositiveInfinity>, IsEqual<A, NegativeInfinity>,
 					IsEqual<B, PositiveInfinity>, IsEqual<B, NegativeInfinity>,

test-d/greater-than.ts

@@ -11,7 +11,6 @@ expectType<GreaterThan<10, -2>>(true);
 expectType<GreaterThan<2, 2>>(false);
 expectType<GreaterThan<-2, -2>>(false);
 expectType<GreaterThan<-2, -3>>(true);
-expectType<GreaterThan<-2, number>>(never);
 
 // === unions ===
 expectType<GreaterThan<100 | 200, 50>>(true);
@@ -35,3 +34,8 @@ expectType<GreaterThan<-999, NegativeInfinity>>(true);
 expectType<GreaterThan<PositiveInfinity, PositiveInfinity>>(false);
 expectType<GreaterThan<NegativeInfinity, NegativeInfinity>>(false);
 expectType<GreaterThan<PositiveInfinity, NegativeInfinity>>(true);
+
+// Non-literal `number`
+expectType<GreaterThan<number, number>>({} as boolean);
+expectType<GreaterThan<number, 1>>({} as boolean);
+expectType<GreaterThan<1, number>>({} as boolean);