feat: make Int a subclass of Float

packages/safe-ds-lang/src/resources/builtins/safeds/lang/coreClasses.sdsstub

@@ -61,49 +61,49 @@ class Boolean
 class Number
 
 /**
- * An integer.
+ * A floating-point number.
  *
  * @example
  * pipeline example {
- *     val int = 1;
+ *     val float = 1.0;
  * }
  */
-class Int sub Number {
+class Float sub Number {
 
     /**
-     * Convert this integer to a floating-point number.
+     * Convert this floating-point number to an integer by truncating the fractional part.
      *
      * @example
      * pipeline example {
-     *     val float = 1.toFloat(); // 1.0
+     *     val int = (1.0).toInt(); // 1
      * }
      */
     @Pure
-    @PythonMacro("float($this)")
-    fun toFloat() -> float: Float
+    @PythonMacro("int($this)")
+    fun toInt() -> int: Int
 }
 
 /**
- * A floating-point number.
+ * An integer.
  *
  * @example
  * pipeline example {
- *     val float = 1.0;
+ *     val int = 1;
  * }
  */
-class Float sub Number {
+class Int sub Float {
 
     /**
-     * Convert this floating-point number to an integer by truncating the fractional part.
+     * Convert this integer to a floating-point number.
      *
      * @example
      * pipeline example {
-     *     val int = 1.0.toInt(); // 1
+     *     val float = 1.toFloat(); // 1.0
      * }
      */
     @Pure
-    @PythonMacro("int($this)")
-    fun toInt() -> int: Int
+    @PythonMacro("float($this)")
+    fun toFloat() -> float: Float
 }
 
 /**