github-actions: new cache key

Need to rebuild `typed-protocols` inside  `dist-newstyle`.

Author: coot

.github/workflows/haskell.yml

@@ -33,7 +33,7 @@ jobs:
           mingw-w64-x86_64-jq
 
     - name: Set cache version
-      run: echo "CACHE_VERSION=pu4Aevoo" >> $GITHUB_ENV
+      run: echo "CACHE_VERSION=pu4Aevoo_v1" >> $GITHUB_ENV
 
     - name: "LINUX: Setup Haskell"
       uses: haskell/actions/setup@v1