Update github action

Author: chrislearn

.github/workflows/rust.yml

@@ -13,22 +13,22 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Cache cargo registry
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: ~/.cargo/registry
           key: ${{ runner.os }}-cargo-registry
       - name: Cache cargo index
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: ~/.cargo/git
           key: ${{ runner.os }}-cargo-index
       - name: Cache cargo build
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: rust/target
           key: ${{ runner.os }}-cargo-build-target
       - name: Install stable
-        uses: actions-rs/toolchain@v1
+        uses: dtolnay/rust-toolchain@nightly
         with:
           profile: minimal
           toolchain: stable