[CI] Tests over Symfony 7.4.0-beta1 and 8.0.0-beta1

Author: Kocal

.github/workflows/unit-tests.yaml

@@ -34,7 +34,6 @@ jobs:
                 minimum-stability: ['stable']
                 os: ['']
                 include:
-                    # dev packages (probably not needed to have multiple such jobs)
                     -   minimum-stability: 'dev'
                         php-version: '8.5'
                     # lowest deps
@@ -48,10 +47,11 @@ jobs:
                         os: 'windows-latest'
                     # Explicit Symfony versions
                     -  php-version: '8.2'
-                       symfony-version: '7.4.x-dev' # TODO: change to '7.4' when Symfony 7.4 is released
+                       symfony-version: '^7.4.0-BETA1' # TODO: change to '7.4.*' when Symfony 7.4 is released
+                       minimum-stability: 'beta' # TODO: remove when Symfony 8.0 is released as stable
                     -  php-version: '8.5'
-                       symfony-version: '8.0.x-dev' # TODO: change to '8.0' when Symfony 8.0 is released
-                       minimum-stability: 'dev' # TODO: remove when Symfony 8.0 is released
+                       symfony-version: '^8.0.0-BETA1' # TODO: change to '8.0.*' when Symfony 8.0 is released
+                       minimum-stability: 'beta' # TODO: remove when Symfony 8.0 is released as stable
 
         env:
             SYMFONY_REQUIRE: ${{ matrix.symfony-version || '>=5.4' }} # TODO: To change to '>=6.4' in 3.x