Add runner.os to cabal-cache uri

Author: newhoggy

.github/workflows/haskell.yml

@@ -230,7 +230,7 @@ jobs:
         dist-dir: dist-newstyle
         store-path: ${{ steps.cabal-store.outputs.cabal-store }}
         threads: 16
-        archive-uri: ${{ secrets.BINARY_CACHE_URI }}/${{ env.CABAL_CACHE_VERSION }}
+        archive-uri: ${{ secrets.BINARY_CACHE_URI }}/${{ env.CABAL_CACHE_VERSION }}/${{ runner.os }}
         skip: "${{ secrets.BINARY_CACHE_URI == '' }}"
 
     # It's important to ensure that people who fork this repository can not only successfully build in