Test more cross compilation

Author: hamishmack

ci.nix

@@ -70,10 +70,10 @@
        || (system == "x86_64-darwin" && __elem compiler-nix-name ["ghc8107"]))) {
     inherit (lib.systems.examples) ghcjs;
   } // lib.optionalAttrs (nixpkgsName == "unstable"
-      && ((system == "x86_64-linux"  && __elem compiler-nix-name ["ghc8107" "ghc902" "ghc926" "ghc927" "ghc944"])
+      && ((system == "x86_64-linux"  && __elem compiler-nix-name ["ghc8107" "ghc902" "ghc926" "ghc927" "ghc944" "ghc961"])
        || (system == "x86_64-darwin" && __elem compiler-nix-name []))) { # TODO add ghc versions when we have more darwin build capacity
     inherit (lib.systems.examples) mingwW64;
-  } // lib.optionalAttrs (system == "x86_64-linux" && nixpkgsName == "unstable" && __elem compiler-nix-name ["ghc8107" "ghc902" "ghc922" "ghc923" "ghc924" "ghc926" "ghc927"]) {
+  } // lib.optionalAttrs (system == "x86_64-linux" && nixpkgsName == "unstable" && __elem compiler-nix-name ["ghc8107" "ghc902" "ghc922" "ghc923" "ghc924" "ghc926" "ghc927" "ghc944" "ghc961"]) {
     # Musl cross only works on linux
     # aarch64 cross only works on linux
     inherit (lib.systems.examples) musl64 aarch64-multiplatform;