docs(ct): add release note for maintenance workflow #10478

doc/release-notes/10478-version-base-image.md

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+### Adding versioned tags to Container Base Images
+
+With this release we introduce a detailed maintenance workflow for our container images.
+As output of the GDCC Containerization Working Group, the community takes another step towards production ready containers available directly from the core project.
+
+The maintenance workflow regularly updates the Container Base Image, which contains the operating system, Java, Payara Application Server, as well as tools and libraries required by the Dataverse application.
+Shipping these rolling releases as well as immutable revisions is the foundation for secure and reliable Dataverse Application Container images.