ci: update actions to fix jobs

Author: XVilka

.github/workflows/test.yml

@@ -5,10 +5,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout Code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Cache cargo registry
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: |
           ~/.cargo/registry