update workflow ci go cache to v4

Signed-off-by: ChrisLiu <[email protected]>

Author: chrisliu1995

.github/workflows/ci.yaml

@@ -34,7 +34,7 @@ jobs:
         with:
           go-version: ${{ env.GO_VERSION }}
       - name: Cache Go Dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -62,7 +62,7 @@ jobs:
         with:
           go-version: ${{ env.GO_VERSION }}
       - name: Cache Go Dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}