Breakage with `haskell.nix`

[dhess]

Hi @hamishmack,

Versions 0.9.9.3 and 0.9.9.4 of jsaddle-warp break with this error, at least when built in a haskell.nix project using GHC 9.10.1:

       > Configuring library for jsaddle-warp-0.9.9.3..
       > Running phase: buildPhase
       > Preprocessing library for jsaddle-warp-0.9.9.3..
       > Building library for jsaddle-warp-0.9.9.3..
       > [1 of 3] Compiling Language.Javascript.JSaddle.WebSockets.Compat ( src/Language/Javascript/JSaddle/WebSockets/Compat.hs, dist/build/Language/Javascript/JSaddle/WebSockets/Compat.o, dist/build/Language/Javascript/JSaddle/WebSockets/Compat.dyn_o )
       > [2 of 3] Compiling Language.Javascript.JSaddle.WebSockets ( src/Language/Javascript/JSaddle/WebSockets.hs, dist/build/Language/Javascript/JSaddle/WebSockets.o, dist/build/Language/Javascript/JSaddle/WebSockets.dyn_o )
       > src/Language/Javascript/JSaddle/WebSockets.hs:36:1-25: warning: [GHC-66111] [-Wunused-imports]
       >     The import of ‘Data.Monoid’ is redundant
       >       except perhaps to import instances from ‘Data.Monoid’
       >     To import instances alone, use: import Data.Monoid()
       >    |
       > 36 | import Data.Monoid ((<>))
       >    | ^^^^^^^^^^^^^^^^^^^^^^^^^
       >
       > [3 of 3] Compiling Language.Javascript.JSaddle.Warp ( src/Language/Javascript/JSaddle/Warp.hs, dist/build/Language/Javascript/JSaddle/Warp.o, dist/build/Language/Javascript/JSaddle/Warp.dyn_o )
       > Running phase: installPhase
       > Error: default-setup: filepath wildcard 'node-client/node_modules' does not
       > match any files.
       >

0.9.9.2 is the last version that builds.