v1.1.5

• New template with Silence action #66
• make it possible to use custom cards with helm chart #71
• save the default card template along with binaries in releases #65
• Fix configMap names #78
• set default log level to INFO and do not expose teams webhook in logs #76
• Enhance default-message-card.tmpl to prevent json parse errors #77
• Fix deprecated api which is incompatoble with Kubernetes > 1.16 #75 and make it dependent on k8s version in order to achieve backwards compatibility with older k8s versions #80