upgrade phpunit: make data provider static

src/Bundle/ChillCalendarBundle/Tests/Controller/CalendarControllerTest.php

@@ -42,7 +42,7 @@ final class CalendarControllerTest extends WebTestCase
         self::ensureKernelShutdown();
     }
 
-    public function provideAccompanyingPeriod(): iterable
+    public static function provideAccompanyingPeriod(): iterable
     {
         self::bootKernel();
         $em = self::getContainer()->get(EntityManagerInterface::class);

src/Bundle/ChillCalendarBundle/Tests/RemoteCalendar/Connector/MSGraph/MSUserAbsenceReaderTest.php

@@ -59,7 +59,7 @@ class MSUserAbsenceReaderTest extends TestCase
         self::assertNull($absenceReader->isUserAbsent($user), 'when no user found, absence should be null');
     }
 
-    public function provideDataTestUserAbsence(): iterable
+    public static function provideDataTestUserAbsence(): iterable
     {
         // contains data that was retrieved from microsoft graph api on 2023-07-06
 

src/Bundle/ChillCalendarBundle/Tests/RemoteCalendar/Connector/MSGraph/MSUserAbsenceSyncTest.php

@@ -46,7 +46,7 @@ class MSUserAbsenceSyncTest extends TestCase
         self::assertEquals($expectedAbsenceStart, $user->getAbsenceStart(), $message);
     }
 
-    public function provideDataTestSyncUserAbsence(): iterable
+    public static function provideDataTestSyncUserAbsence(): iterable
     {
         yield [new User(), false, false, null, 'user present remains present'];
         yield [new User(), true, true, new \DateTimeImmutable('2023-07-01T12:00:00'), 'user present becomes absent'];

src/Bundle/ChillCalendarBundle/Tests/Service/ShortMessageNotification/DefaultRangeGeneratorTest.php

@@ -35,7 +35,7 @@ final class DefaultRangeGeneratorTest extends TestCase
      * * Jeudi => envoi des rdv du samedi et dimanche
      * * Vendredi => Envoi des rdv du lundi.
      */
-    public function generateData(): \Iterator
+    public static function generateData(): \Iterator
     {
         yield [
             new \DateTimeImmutable('2022-06-13 10:45:00'),