Bump stdpp.

6 jobs for master in 15 minutes and 36 seconds
Status Job ID Name Coverage
  Build
passed #46172
fp
build-coq.8.10.0

00:07:45

passed #46171
fp
build-coq.8.10.1

00:08:54

passed #46175
fp
build-coq.8.8.2

00:07:47

passed #46174
fp-timing
build-coq.8.9.0

00:06:57

passed #46173
fp
build-coq.8.9.1

00:08:12

passed #46170
fp
build-coq.dev

00:14:34