ASYNC_QUEUE_CONCURRENCY is not applied (anymore)

[ostark]

needs investigation

         \_ /opt/php/8.1/bin/php craft queue/run
         |   \_ /opt/php/8.1/bin/php craft queue/exec 39385 300 1 2250 --color=
         \_ /opt/php/8.1/bin/php craft queue/run
         |   \_ /opt/php/8.1/bin/php craft queue/exec 39522 300 1 2258 --color=
         \_ /opt/php/8.1/bin/php craft queue/run
         |   \_ /opt/php/8.1/bin/php craft queue/exec 39525 300 1 2260 --color=
         \_ /opt/php/8.1/bin/php craft queue/run
         |   \_ /opt/php/8.1/bin/php craft queue/exec 39524 300 1 2272 --color=
         \_ /opt/php/8.1/bin/php craft queue/run
             \_ /opt/php/8.1/bin/php craft queue/exec 39523 300 1 2275 --color=

[ostark]

Should be fixed in 3.1.0