fix: wrap deprecated functions with util.deprecate()

[dnalborczyk]

fixes #1025

[trevor-scheer]

Thanks @dnalborczyk! Could you please add entries to the gateway and federation CHANGELOG.mds? Providing instructions for how to silence these warnings would be great for our users who start to see these unexpectedly in their logs. I'll take care of this next week if you don't get around to it.

Side note, maybe it's time I just kill these deprecated bits :)

[dnalborczyk]

Providing instructions for how to silence these warnings would be great for our users who start to see these unexpectedly in their logs.

do you want me to add silencing instructions to the changelog?

Side note, maybe it's time I just kill these deprecated bits :)

if you feel it's time to nuke the deprecated functions altogether please go ahead 😄 I think breaking things are expected with 0.x versioned packages.

[trevor-scheer]

@dnalborczyk silencing instructions in the changelog would be excellent - I think people surprised by the new messaging will reach to the changelog first to see what's causing the warnings.

[trevor-scheer]

LGTM!