Dirk Stolle

The following updates are performed: * update [`actions/checkout`](https://github.com/actions/checkout) to v4 * update [`actions/setup-node`](https://github.com/actions/setup-node) to v4

Seeing that the last Boost release with changes in GIL was [Boost 1.80.0](https://www.boost.org/users/history/version_1_80_0.html) in August 2022 and seeing that some fixes and features have landed on the `develop` branch during...

### Description Includes release notes for the changes seen in the table in #748, i.e. the changes for a potential Boost 1.86 release of GIL. ### References See #748. ###...