Bump docker/login-action from 3.3.0 to 3.4.0 (#8328)

Author: dependabot[bot]

.github/workflows/docker-publish.yaml

@@ -17,7 +17,7 @@ jobs:
         with:
           images: weaveworks/eksctl
       - name: Log in to Docker Hub
-        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 #v3.3.0
+        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 #v3.4.0
         with:
           username: weaveworkseksctlci
           password: ${{ secrets.DOCKER_HUB_PASSWORD }}