Merge pull request IntersectMBO#5395 from input-output-hk/sl/ledger-conway-1.6.1.0

cardano-ledger-conway: update to 1.6.1.0

Author: disassembler

cabal.project

@@ -14,7 +14,7 @@ repository cardano-haskell-packages
 -- you need to run if you change them
 index-state:
   , hackage.haskell.org 2023-07-10T14:55:34Z
-  , cardano-haskell-packages 2023-07-10T13:18:25Z
+  , cardano-haskell-packages 2023-07-16T00:00:00Z
 
 packages:
   cardano-client-demo
@@ -105,7 +105,8 @@ package snap-server
 allow-newer: text
 
 constraints:
-  optparse-applicative >= 0.16.0 && < 0.16.1
+  optparse-applicative >= 0.16.0 && < 0.16.1,
+  cardano-api < 8.8.1
 
 -- IMPORTANT
 -- Do NOT add more source-repository-package stanzas here unless they are strictly