Add pallet services payment to runtime

[tmpolaczyk]

Pallet-services payment allow developers to get block production credit. The mechanism we are thinking of releasing as a v0 is to burn a certain amount of tokens per block credit, which this parachain would obtain.

Changes in this PR:

• We only assign collators to parachains that have at least credit for 2 sessions.
• We substract 1 credit every time we see a block with a higher number than the one we have stored. This means that producing more than 1 block in between two tanssi blocks only costs 1 credit. And a parachain that has produced 0 blocks will not be charged any credits, even if it was assigned collators.
• Parachains registered in genesis start with 1000 credits (so we don't worry about credits when testing).
• For dancebox and live networks, there is a migration to give existing parachains enough credits for 60 days.
• Parachains registered afterwards need to purchase credits. The cost is 1 microDANCE for 1 block credit, and a parachain cannot have more than 60 days worth of credits. Anyone can buy credits for a parachain. Credits can be bought even before registering the parachain, as long as you know the para id.

[github-actions]

Master coverage: 71.33%
Coverage generated "Wed Nov 15 09:00:08 UTC 2023":
https://d3gkbsry1ehhqi.cloudfront.net/tanssi-coverage/pulls/314/index.html
Pull coverage: 71.84%

[tmpolaczyk]

Missing: remove dev_mode, add benchmarks, add migration that gives credit to existing container chains, set MaxCreditsStored to 60 days of blocks Done

[girazoki]

Test that I would like to see in ts dev tests:

• We can buy additional block credit
• If we run out of credit our chain does not produce blocks because collators are not assigned to it

[girazoki]

LGTM, good job!