Self hosted runner

Author: newhoggy

.github/workflows/haskell.yml

@@ -12,18 +12,18 @@ on:
 
 jobs:
   build:
-    runs-on: ${{ matrix.os }}
+    runs-on: [ self-hosted, "${{ matrix.os }}" ]
 
     strategy:
       fail-fast: false
       matrix:
         ghc: ["9.0.1", "8.10.7", "8.8.4", "8.6.5"]
-        os: [ubuntu-latest]
+        os: [macOS]
 
     steps:
       - uses: actions/checkout@v2
 
-      - uses: haskell/actions/setup@v1
+      - uses: haskell-actions/setup@v2
         id: setup-haskell
         with:
           ghc-version: ${{ matrix.ghc }}