allow council to set faucet reserve amount #409

Job	Run time
Primary build release for on (ubuntu-20.04)	1h 14m 28s
Cancel Previous Runs	4s
extra flags build release for on (ubuntu-20.04)	1h 16m 11s
Build Runtimes (encointer)	36m 15s
Build Runtimes (launch)	49m 37s
cargo-toml-fmt	11s
Rust check fmt (x86_64-unknown-linux-gnu)	3m 10s
create_artifacts (encointer, rococo)	10s
create_artifacts (encointer, westend)	7s
create_artifacts (encointer, kusama)	11s
Draft Release	0s
Publish Runtimes	0s
	4h 0m 24s

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