Update kubectl to v1.20.4

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

.github/workflows/e2e.yaml

@@ -32,7 +32,7 @@ jobs:
       - name: Setup Kubectl
         uses: fluxcd/pkg/actions/kubectl@main
         with:
-          version: 1.20.2
+          version: 1.20.4
       - name: Run tests
         run: make test
         env:

Dockerfile

@@ -6,7 +6,7 @@ WORKDIR /workspace
 
 RUN apk add --no-cache ca-certificates curl
 
-RUN kubectl_ver=1.20.2 && \
+RUN kubectl_ver=1.20.4 && \
 arch=${TARGETPLATFORM:-linux/amd64} && \
 if [ "$TARGETPLATFORM" == "linux/arm/v7" ]; then arch="linux/arm"; fi && \
 curl -sL https://storage.googleapis.com/kubernetes-release/release/v${kubectl_ver}/bin/${arch}/kubectl \