just use lmdb

Author: Cmdv

.github/workflows/haskell.yml

@@ -55,7 +55,7 @@ jobs:
       - name: Add LMDB to devx environment
         run: |
           # Add lmdb to the Nix environment since devx PR #221 isn't available yet
-          nix-env -iA nixpkgs.lmdb
+          nix-env -i lmdb
         shell: devx {0}
       - name: cache cabal
         uses: actions/cache@v3