feat(builtins): Num.acos : Float -> Float

compiler/module/src/low_level.rs

@@ -44,6 +44,7 @@ pub enum LowLevel {
     NumFloor,
     NumIsFinite,
     NumAtan,
+    NumAcos,
     Eq,
     NotEq,
     And,

compiler/module/src/symbol.rs

@@ -652,6 +652,7 @@ define_builtins! {
         42 NUM_ADD_WRAP: "addWrap"
         43 NUM_ADD_CHECKED: "addChecked"
         44 NUM_ATAN: "atan"
+        45 NUM_ACOS: "acos"
     }
     2 BOOL: "Bool" => {
         0 BOOL_BOOL: "Bool" imported // the Bool.Bool type alias