updated maintainer email's domain

Author: zameo94

Dockerfile

@@ -1,7 +1,7 @@
 FROM ruby:3.4.7
 
 LABEL version="3.4.7"
-LABEL maintainer="Ain Tohvri <ain.tohvri@savings-united.com>"
+LABEL maintainer="Ain Tohvri <ain.tohvri@samwise-media.com>"
 
 RUN echo "deb [signed-by=/usr/share/keyrings/cloud.google.gpg] http://packages.cloud.google.com/apt cloud-sdk main" | tee -a /etc/apt/sources.list.d/google-cloud-sdk.list && \
     curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | gpg --dearmor -o /usr/share/keyrings/cloud.google.gpg && \