update new cache version

.github/workflows/rust.yml

@@ -16,19 +16,19 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Cache Cargo registry
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cargo/registry
           key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Cache Cargo index
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cargo/git
           key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Cache Cargo target directory
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: target
           key: ${{ runner.os }}-cargo-target-${{ hashFiles('**/Cargo.lock') }}