chore(workflows): fix Node 20 warning and optimize rust-cache (#64)

* chore(workflows): upgrade rust-cache to node24

* chore(workflows): 优化 rust-cache 配置以支持目标特定缓存

Author: ZR233

.github/workflows/test.yml

@@ -43,10 +43,12 @@ jobs:
           version: 10.1.0
           arch_list: x86_64,aarch64,riscv64,loongarch64
 
-      - uses: Swatinem/rust-cache@v2
+      - uses: Swatinem/rust-cache@v2.9.1
         with:
           shared-key: test
-          cache-targets: false
+          key: ${{ matrix.target }}
+          cache-targets: true
+          save-if: ${{ github.ref == 'refs/heads/main' }}
 
       - uses: cargo-bins/cargo-binstall@main