Support boost 1.90

[davidrohr]

Just a workaround for now, deadline_timer will be removed soon. Boost produces the warning

QualityControl/0e33ebbe8a/0/Framework/src/RepositoryBenchmark.h:67:32: warning: 'boost::asio::deadline_timer' is deprecated: Use system_timer [-Wdeprecated-declarations]

[davidrohr]

@Barthelemy : I don't know why the mac arm CI is stuck. But can we get this merged so it goes into the next release.
And will someone have a look how to fix the deprecation warnings I mentioned above, we need that for the next boost bump.

[Barthelemy]

@singiamtel Any idea why the mac build is stuck ?

@davidrohr yes, I will have a look

[Barthelemy]

@davidrohr do you want me to release a patch version with this change ?

[davidrohr]

@Barthelemy : It is not super urgent, the next regular tag will be good enough. Thx.