Fix cabal caching.

Author: robinheghan

.github/workflows/build.yml

@@ -70,10 +70,14 @@ jobs:
       - name: Cache cabal store
         uses: actions/cache@v4
         with:
-          path: 
-            - ~/.local
-            - ~/.cache
-          key: deps-linux-${{ env.ghc }}-${{ hashFiles('cabal.project.freeze') }}
+          path: ~/.local
+          key: state-linux-${{ env.ghc }}-${{ hashFiles('cabal.project.freeze') }}
+      
+      - name: Cache cabal cache
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache
+          key: cache-linux-${{ env.ghc }}-${{ hashFiles('cabal.project.freeze') }}
 
       - name: Cache build artifacts
         uses: actions/cache@v4
@@ -130,10 +134,14 @@ jobs:
       - name: Cache cabal store
         uses: actions/cache@v4
         with:
-          path:
-            - ~/.local
-            - ~/.cache
-          key: deps-${{ matrix.os }}-${{ hashFiles('devbox.lock', 'cabal.project.freeze') }}
+          path: ~/.local
+          key: store-${{ matrix.os }}-${{ hashFiles('devbox.lock', 'cabal.project.freeze') }}
+      
+      - name: Cache cabal cache
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache
+          key: cache-${{ matrix.os }}-${{ hashFiles('devbox.lock', 'cabal.project.freeze') }}
 
       - name: Cache build artifacts
         uses: actions/cache@v4