Change the type of `psDeposits` to `CompactForm Coin` #18964

Job	Run time
fourmolu	42s
build (9.12.2, ubuntu-latest)	8m 58s
shellcheck	6s
gen-hie	7m 4s
build (9.8.4, ubuntu-latest)	8m 57s
cabal-format	6s
Check branch history	13s
build (9.10.2, ubuntu-latest)	8m 59s
build (9.6.7, ubuntu-latest)	8m 59s
Check if formal-ledger-specifications SRP is valid	13s
codegen	1s
Tests completed	2s
${{ matrix.package }}-${{ matrix.ghc }}-${{ matrix.os }}	1s
Send a slack notification on \#ledger-internal if the nightly build failed	1s
	44m 22s

Provide feedback