Merge [rstudio_aiml_maint_ac] into [development]

Updates base images to latest tags for python-r-ai container and opensource-rstudio container;

Updates list of project maintainers;

Updates dockerfile commands to match requirements as listed in https://repo1.dso.mil/dsop/dccscr/-/tree/master/Hardening;

All CVEs have justifications provided in VAT (https://vat.dso.mil/vat/container/20798);

For related issue ticket see:

#15 (closed)