cabal-ghc921.project: updated index-state#2526

Anton-Latukha wants to merge 4 commits intohaskell:masterhaskell/haskell-language-server:masterfrom

Anton-Latukha:2021-12-23-upd-index-stateAnton-Latukha/haskell-language-server:2021-12-23-upd-index-stateCopy head branch name to clipboard