Add en-CA Person provider with sin() method

src/Generator.php

@@ -552,6 +552,11 @@
  * @property string $uuid
  *
  * @method string uuid()
+ *
+ * @property string $sin()
+ *
+ * @method string sin()
+ *
  */
 class Generator
 {

src/Provider/en_CA/Person.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Faker\Provider\en_CA;
+
+class Person extends \Faker\Provider\Person {
+
+    /**
+     * @example '744-884-672'
+     *
+     * @return string
+     *
+     * Generated values are intentionally not Luhn-valid and should be used for testing purposes only.
+     */
+    public function sin()
+    {
+
+    $first = static::randomElement([1,2,3,4,5,6,7,9]);
+    return $first . static::numerify('##-###-###');
+
+    }
+}

test/Provider/en_CA/PersonTest.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Faker\Provider\en_CA;
+
+use Faker\Test\TestCase;
+
+/**
+ * @group legacy
+ */
+final class PersonTest extends TestCase
+{
+    /**
+     * Test the validity of SIN
+     */
+    public function testSin(): void
+    {
+        $sin = $this->faker->sin();
+        self::assertNotEmpty($sin);
+        self::assertIsString($sin);
+        self::assertMatchesRegularExpression('/^[1-79]\d{2}-\d{3}-\d{3}$/', $sin);
+    }
+
+    protected function getProviders(): iterable
+    {
+        yield new Person($this->faker);
+    }
+}