config fix for Carbon and 8.3 testing lowest

Author: peterfox

.github/workflows/run-tests.yml

@@ -55,7 +55,7 @@ jobs:
                   --no-interaction --no-update
 
             - name: Require Minimum Packages for version
-              if: ${{ matrix.php == '8.2' && matrix.dependencies == 'lowest' }}
+              if: ${{ (matrix.php == '8.2' || matrix.php == '8.3') && matrix.dependencies == 'lowest' }}
               run: >
                   composer require
                   "nesbot/carbon:${{ matrix.carbon }}"