CBD-6348: Merge remote-tracking branch 'couchbase/neo' into trinity

Merged with -s ours as the changes is already present in trinity

* couchbase/neo:
  CBD-6348: [BP] Changes needed for fmt 10.2
  CBD-6348: [BP] Prepare for nlohmann::json upgrade
  CBD-6348: [BP] Remove deprecated format_to(memory_buffer) overload
  CBD-6348: [BP] Add missing formattors for enum classes
  CBD-6348: Changes required to upgrade boost

Change-Id: I11e8e62e3dfe8ba0e6e6c8a9f1f4e70bfcf8c7bd

Author: trondn