Merge branch 'main' of github.com:SevroAuBarca/learn4haskell into SevroAuBarca

Author: SevroAuBarca

Diff for: .github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
         ghc-version: ${{ matrix.ghc }}
         cabal-version: ${{ matrix.cabal }}
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v3.0.1
       name: Cache ~/.cabal/store
       with:
         path: ~/.cabal/store
@@ -51,7 +51,7 @@ jobs:
         ghc-version: ${{ matrix.ghc }}
         cabal-version: ${{ matrix.cabal }}
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v3.0.1
       name: Cache ~/.cabal/store
       with:
         path: ~/.cabal/store
@@ -86,7 +86,7 @@ jobs:
         ghc-version: ${{ matrix.ghc }}
         cabal-version: ${{ matrix.cabal }}
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v3.0.1
       name: Cache ~/.cabal/store
       with:
         path: ~/.cabal/store
@@ -121,7 +121,7 @@ jobs:
         ghc-version: ${{ matrix.ghc }}
         cabal-version: ${{ matrix.cabal }}
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v3.0.1
       name: Cache ~/.cabal/store
       with:
         path: ~/.cabal/store
@@ -147,7 +147,7 @@ jobs:
         ghc-version: ${{ matrix.ghc }}
         cabal-version: ${{ matrix.cabal }}
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v3.0.1
       name: Cache ~/.cabal/store
       with:
         path: ~/.cabal/store