Remove deprecated Maintainer tag in Dockerfile (#267)

Author: yannh

Dockerfile

@@ -2,14 +2,13 @@ FROM alpine:3.18.3 as certs
 RUN apk add ca-certificates
 
 FROM scratch AS kubeconform
-LABEL org.opencontainers.image.authors="yann@mandragor.org" \
+LABEL org.opencontainers.image.authors="Yann Hamon <yann@mandragor.org>" \
       org.opencontainers.image.source="https://github.com/yannh/kubeconform/" \
       org.opencontainers.image.description="A Kubernetes manifests validation tool" \
       org.opencontainers.image.documentation="https://github.com/yannh/kubeconform/" \
       org.opencontainers.image.licenses="Apache License 2.0" \
       org.opencontainers.image.title="kubeconform" \
       org.opencontainers.image.url="https://github.com/yannh/kubeconform/"
-MAINTAINER Yann HAMON <yann@mandragor.org>
 COPY --from=certs /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
 COPY kubeconform /
 ENTRYPOINT ["/kubeconform"]

Dockerfile-alpine

@@ -1,12 +1,11 @@
 FROM alpine:3.18.3
-LABEL org.opencontainers.image.authors="yann@mandragor.org" \
+LABEL org.opencontainers.image.authors="Yann Hamon <yann@mandragor.org>" \
       org.opencontainers.image.source="https://github.com/yannh/kubeconform/" \
       org.opencontainers.image.description="A Kubernetes manifests validation tool" \
       org.opencontainers.image.documentation="https://github.com/yannh/kubeconform/" \
       org.opencontainers.image.licenses="Apache License 2.0" \
       org.opencontainers.image.title="kubeconform" \
       org.opencontainers.image.url="https://github.com/yannh/kubeconform/"
-MAINTAINER Yann HAMON <yann@mandragor.org>
 RUN apk add ca-certificates
 COPY kubeconform /
 ENTRYPOINT ["/kubeconform"]