chore: enable haiku CI (#2446)

Author: SteveLauC

.github/workflows/ci.yml

@@ -297,13 +297,12 @@ jobs:
         include:
           - target: x86_64-unknown-dragonfly
           - target: x86_64-unknown-openbsd
+          - target: x86_64-unknown-haiku
+
           # Temporarily disable armv7-unknown-linux-uclibceabihf
           # https://github.com/nix-rust/nix/issues/2200
           #- target: armv7-unknown-linux-uclibceabihf
 
-          # https://github.com/nix-rust/nix/issues/2441
-          # - target: x86_64-unknown-haiku
-
           # Disable hurd due to
           # https://github.com/nix-rust/nix/issues/2306
           # - target: i686-unknown-hurd-gnu