fix return datatype

Author: erikn69

src/Console/ModelsCommand.php

@@ -822,7 +822,7 @@ public function getPropertiesFromMethods($model)
                                     if ($this->write_model_relation_exists_properties) {
                                         $this->setProperty(
                                             Str::snake($method) . '_exists',
-                                            'int|null',
+                                            'bool|null',
                                             true,
                                             false
                                             // What kind of comments should be added to the relation count here?

tests/Console/ModelsCommand/Relations/__snapshots__/Test__testRelationNotNullable__1.php

@@ -162,7 +162,7 @@ public function nullableMixedWithForeignKeyConstraint(): BelongsTo
  * @property-read bool|null $relation_morphed_by_many_exists
  * @property-read \Illuminate\Database\Eloquent\Collection<int, Simple> $relationSampleRelationType
  * @property-read int|null $relation_sample_relation_type_count
- * @property-read boo|null $relation_sample_relation_type_exists
+ * @property-read bool|null $relation_sample_relation_type_exists
  * @property-read Model|\Eloquent $relationSampleToAnyMorphedRelationType
  * @property-read \Illuminate\Database\Eloquent\Collection<int, Simple> $relationSampleToAnyRelationType
  * @property-read int|null $relation_sample_to_any_relation_type_count