Update GitHub Actions plugins to latest versions

Signed-off-by: Saurabhkr952 <saurabhkr952@gmail.com>

.github/workflows/multi-stage-workflow.yml

@@ -15,13 +15,13 @@ jobs:
     runs-on: "ubuntu-20.04"
     steps:
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2.1.0
+        uses: docker/setup-qemu-action@v3
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2.5.0
+        uses: docker/setup-buildx-action@v3
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@v3.4.0
+        uses: sigstore/cosign-installer@v3.6.0
 
       - name: Login to Docker Hub
         uses: docker/login-action@v3
@@ -30,7 +30,7 @@ jobs:
           password: ${{ secrets.DOCKERHUB_TOKEN }}    
 
       - name: Build and push
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v6
         id: build-and-push
         with:
           push: true