How to configure the maximum number of blocks pending DA submission

The --rollkit.max_pending_blocks flag is used to configure the maximum limit of blocks pending DA submission (0 for no limit)

--rollkit.max_pending_blocks uint

An example command would look like this:

rollkit start [existing flags...] // [!code --]
rollkit start [existing flags...] --rollkit.max_pending_blocks=100 // [!code ++]