Update test env

Signed-off-by: Matt Friedman <maf675@gmail.com>

Author: iMattPro

.github/workflows/tests.yml

@@ -127,6 +127,8 @@ jobs:
                       db: "mysql:5.7"
                     - php: '8.3'
                       db: "mysql:5.7"
+                    - php: '8.4'
+                      db: "mysql:5.7"
 
         name: PHP ${{ matrix.php }} - ${{ matrix.db_alias != '' && matrix.db_alias || matrix.db }}
 
@@ -270,6 +272,8 @@ jobs:
                       db: "postgres:14"
                     - php: '8.3'
                       db: "postgres:14"
+                    - php: '8.4'
+                      db: "postgres:14"
 
         name: PHP ${{ matrix.php }} - ${{ matrix.db }}