[1.x] Fix password rule (#211)

* Fix password rule

* Adjust logic

Author: driesvints

src/Rules/Password.php

@@ -51,6 +51,8 @@ class Password implements Rule
      */
     public function passes($attribute, $value)
     {
+        $value = is_scalar($value) ? (string) $value : '';
+
         if ($this->requireUppercase && Str::lower($value) === $value) {
             return false;
         }

tests/PasswordRuleTest.php

@@ -12,6 +12,8 @@ public function test_password_rule()
         $rule = new Password;
 
         $this->assertTrue($rule->passes('password', 'password'));
+        $this->assertTrue($rule->passes('password', 234234234));
+        $this->assertFalse($rule->passes('password', ['foo' => 'bar']));
         $this->assertFalse($rule->passes('password', 'secret'));
 
         $this->assertTrue(Str::contains($rule->message(), 'must be at least 8 characters'));