also test Coq 8.8.1

.gitlab-ci.yml

@@ -32,10 +32,10 @@ build-coq.dev:
     OPAM_PINS: "coq version dev"
     VALIDATE: "1"
 
-build-coq.8.8.dev:
+build-coq.8.8.1:
   <<: *template
   variables:
-    OPAM_PINS: "coq version 8.8.dev"
+    OPAM_PINS: "coq version 8.8.1"
 
 build-coq.8.8.0:
   <<: *template

README.md

@@ -12,7 +12,7 @@ document is [available online](http://plv.mpi-sws.org/iris/appendix-3.1.pdf).
 
 This version is known to compile with:
 
- - Coq 8.7.1 / 8.7.2 / 8.8.0
+ - Coq 8.7.1 / 8.7.2 / 8.8.0 / 8.8.1
  - A development version of [std++](https://gitlab.mpi-sws.org/robbertkrebbers/coq-stdpp)
 
 For a version compatible with Coq 8.6, have a look at the