minor symfony#54586 [Security] fix password parameter name (xabbuh)

This PR was merged into the 5.4 branch.

Discussion
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[Security] fix password parameter name

| Q             | A
| ------------- | ---
| Branch?       | 5.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        |
| License       | MIT

see the failures on the `7.1` branch

Commits
-------

deb5c1f fix password parameter name

Author: xabbuh

src/Symfony/Component/Security/Http/Tests/Authenticator/FormLoginAuthenticatorTest.php

@@ -170,7 +170,7 @@ public function __toString()
      */
     public function testHandleNonStringCsrfTokenWithArray($postOnly)
     {
-        $request = Request::create('/login_check', 'POST', ['_username' => 'foo', 'password' => 'bar', '_csrf_token' => []]);
+        $request = Request::create('/login_check', 'POST', ['_username' => 'foo', '_password' => 'bar', '_csrf_token' => []]);
         $request->setSession($this->createSession());
 
         $this->setUpAuthenticator(['post_only' => $postOnly]);
@@ -186,7 +186,7 @@ public function testHandleNonStringCsrfTokenWithArray($postOnly)
      */
     public function testHandleNonStringCsrfTokenWithInt($postOnly)
     {
-        $request = Request::create('/login_check', 'POST', ['_username' => 'foo', 'password' => 'bar', '_csrf_token' => 42]);
+        $request = Request::create('/login_check', 'POST', ['_username' => 'foo', '_password' => 'bar', '_csrf_token' => 42]);
         $request->setSession($this->createSession());
 
         $this->setUpAuthenticator(['post_only' => $postOnly]);
@@ -202,7 +202,7 @@ public function testHandleNonStringCsrfTokenWithInt($postOnly)
      */
     public function testHandleNonStringCsrfTokenWithObject($postOnly)
     {
-        $request = Request::create('/login_check', 'POST', ['_username' => 'foo', 'password' => 'bar', '_csrf_token' => new \stdClass()]);
+        $request = Request::create('/login_check', 'POST', ['_username' => 'foo', '_password' => 'bar', '_csrf_token' => new \stdClass()]);
         $request->setSession($this->createSession());
 
         $this->setUpAuthenticator(['post_only' => $postOnly]);