chore: update github workflow

.github/workflows/rust.yaml

@@ -25,15 +25,15 @@ jobs:
         override: true
 
     - name: Cache cargo registry
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ~/.cargo/registry
         key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
         restore-keys: |
           ${{ runner.os }}-cargo-registry-
 
     - name: Cache cargo index
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ~/.cargo/git
         key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
@@ -42,15 +42,15 @@ jobs:
 
     - name: Cache cargo build
       id: cargo-build-cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: target
         key: ${{ runner.os }}-cargo-build-${{ hashFiles('./Cargo.lock') }}
         restore-keys: |
           ${{ runner.os }}-cargo-build-
 
     - name: Cache Nextest installation
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ~/.cargo/bin/cargo-nextest
         key: ${{ runner.os }}-cargo-nextest