Merge branch 'ralf/into_forall_wand' into 'gen_proofmode'

allow specializing a wand with a Coq-level proof of the premise

See merge request FP/iris-coq!154
4 jobs for gen_proofmode in 26 minutes and 27 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Build
passed build-coq.8.7.1 #13626
fp

00:04:41

passed build-coq.8.7.2 #13625
fp-timing

00:05:09

passed build-coq.8.8.0 #13624
fp-timing

00:05:03

passed build-coq.dev #13623
fp

00:26:24