Update to actions/cache v4.2.3

The current `9b0c1fce7a93df8e3bb8926b0d6e9d89e92f20a7` is deprecated.

Author: sigurpol

.github/workflows/ci.yaml

@@ -22,7 +22,7 @@ jobs:
           override: true
 
       - name: Cache Dependencies & Build Outputs
-        uses: actions/cache@9b0c1fce7a93df8e3bb8926b0d6e9d89e92f20a7 # v3.0.11
+        uses: actions/cache@v4.2.3
         with:
           path: |
             ~/.cargo/registry