Use Firebird 5.0.4 in action

Author: mrotteveel

.github/workflows/run-tests.yml

@@ -38,7 +38,7 @@ jobs:
           password: ${{ secrets.DOCKERHUB_TOKEN }}
       - uses: juarezr/firebirdsql-github-action@v2.2.0
         with:
-          version: '5.0.3'
+          version: '5.0.4'
           firebird_root_password: 'masterkey'
           firebird_conf: 'WireCrypt=Enabled,AuthServer=Srp256;Srp;Legacy_Auth;Srp224;Srp384;Srp512,UserManager=Srp;Legacy_UserManager'
           event_port: 3051