Fix missing plutus-chain-index package when using cabal
$ cabal repl
Warning: No remote package servers have been specified. Usually you would have
one specified in the config file.
Resolving dependencies...
cabal: Could not resolve dependencies:
[__0] trying: mlabs-plutus-use-cases-0.1.0.0 (user goal)
[__1] unknown package: plutus-chain-index (dependency of
mlabs-plutus-use-cases)
[__1] fail (backjumping, conflict set: mlabs-plutus-use-cases,
plutus-chain-index)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: mlabs-plutus-use-cases,
plutus-chain-index
Fix missing
plutus-chain-index
package when using cabal