Sam's Q2 2024 Update

https://cppalliance.org/sam/2024/07/10/SamsQ2Update.html

The update outlines work on Boost infrastructure: CDN migration, Fastly VCL tuning, OAuth, S3 uploads, release tools, Mailman3 fixes, wowbagger disk recovery, CI improvements for Jenkins, LLVM CI discussions, GHA VM images, cpp.al blog rendering, Drone CI updates.