updated base image from alpine 3.18.5 to 3.19.0 as 3.18 was EOL

What is your Merge about?

#4 (closed) updating base image to alpine 3.19.0 If this is your first merge, please use the Initialization Template.

For more information please visit Iron Bank Documentation

Note: Please be sure you create an issue related to this merge request and the issue is labeled StatusReview, this will initiate a CHT member review of your merge request.