bump Iris; adjust for partial EqOp

1 job for master in 12 minutes and 30 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
failed #42188
fp
build-iris.dev

00:12:30

 
Name Stage Failure
failed
build-iris.dev Build
Makefile.coq:320: recipe for target 'all' failed
make[1]: *** [all] Error 2
Makefile:6: recipe for target 'all' failed
make: *** [all] Error 2

real 0m30.637s
user 0m40.848s
sys 0m2.280s
ERROR: Job failed: exit code 1