CI: Add ghc-9.10 to the build matrix

Author: erikd

.github/workflows/haskell.yml

@@ -19,7 +19,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        compiler-nix-name: [ghc810, ghc96, ghc98]
+        compiler-nix-name: [ghc810, ghc96, ghc98, ghc910]
         include:
           # We want a single job, because macOS runners are scarce.
           - os: macos-latest

flake.nix

@@ -146,7 +146,7 @@
               let
                 compilers =
                   if (system == "x86_64-linux") then
-                    ["ghc96" "ghc98"]
+                    ["ghc96" "ghc98" "ghc910"]
                   else
                     ["ghc98"];
               in