Merge pull request #352 from online-judge-tools/fix/haskell

Fix .github/workflows/verify.yml for Haskell and add-path

Author: kmyk

.github/workflows/verify.yml

@@ -18,7 +18,7 @@ jobs:
 
     # required only if you want to verify Haskell code
     - name: Install dependencies (Haskell)
-      uses: actions/setup-haskell@v1.1
+      uses: actions/setup-haskell@v1
 
     # required only if you want to verify Java code
     - name: Install dependencies (Java)