Fix vulnerabilities ALAS-2020-1466 ALAS-2020-1445

Signed-off-by: Amit Chaudhari <achaudhari@guidewire.com>

Dockerfile

@@ -33,6 +33,8 @@ RUN GOOS=${TARGETOS} GOARCH=${TARGETARCH} make aws-efs-csi-driver
 
 FROM amazonlinux:2.0.20200602.0
 RUN yum install amazon-efs-utils-1.26-3.amzn2.noarch -y
+RUN yum update libxml2.x86_64 -y
+RUN yum update libnghttp2.x86_64 -y
 
 # At image build time, static files installed by efs-utils in the config directory, i.e. CAs file, need
 # to be saved in another place so that the other stateful files created at runtime, i.e. private key for