Update changelog and version for 1.24.0.

[sean-mcmanus]

No description provided.

[sean-mcmanus]

What Copilot features/fixes should I add, if any?

@Colengms Did I get all your changes or did you want to add any more?

[benmcmorran]

@sean-mcmanus You can add:

Added experimental support for Copilot descriptions in hover tooltips, controlled by the C_Cpp.copilotHover setting. This feature is currently off by default and may be subject to A/B experimentation. To opt-out of Copilot Hover experiments, set C_Cpp.copilotHover to disabled.

cc @spebl

[sean-mcmanus]

@sean-mcmanus You can add:

Added experimental support for Copilot descriptions in hover tooltips, controlled by the C_Cpp.copilotHover setting. This feature is currently off by default and may be subject to A/B experimentation. To opt-out of Copilot Hover experiments, set C_Cpp.copilotHover to disabled.

cc @spebl

Done -- I didn't add any links to check in PRs since there were many, but I could add them if anyone wants.