Added Sequence.any as complement to Sequence.all

test/list/any.wren

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+var a = [1, 2, 3]
+
+var b = a.any {|x| x > 3 }
+IO.print(b) // expect: false
+
+var d = a.any {|x| x > 1 }
+IO.print(d) // expect: true
+
+var e = [].any {|x| true }
+IO.print(e) // expect: false

test/list/any_non_bool_returning_fn.wren

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+IO.print([1, 2, 3].any {|x| "truthy" }) // expect: true

test/list/any_non_function_arg.wren

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+[1, 2, 3].any("string") // expect runtime error: String does not implement 'call(_)'.