bump Coq to 8.11.2, and also test Coq 8.12 beta

.gitlab-ci.yml

@@ -27,10 +27,15 @@ variables:
 
 ## Build jobs
 
-build-coq.8.11.1:
+build-coq.8.12.dev:
   <<: *template
   variables:
-    OPAM_PINS: "coq version 8.11.1"
+    OPAM_PINS: "coq version 8.12.dev"
+
+build-coq.8.11.2:
+  <<: *template
+  variables:
+    OPAM_PINS: "coq version 8.11.2"
   tags:
   - fp-timing
 

README.md

@@ -6,7 +6,7 @@ Some example verification demonstrating the use of Iris.
 
 This version is known to compile with:
 
- - Coq 8.11.1
+ - Coq 8.11.2
  - A development version of [Iris](https://gitlab.mpi-sws.org/FP/iris-coq/)
  - The coq86-devel branch of [Autosubst](https://github.com/uds-psl/autosubst)