test against Coq 8.8.0; update CI

.gitlab-ci.yml

@@ -32,18 +32,17 @@ build-coq.dev:
     OPAM_PINS: "coq version dev"
     VALIDATE: "1"
 
-build-coq.8.8.dev:
+build-coq.8.8.0:
   <<: *template
   variables:
-    OPAM_PINS: "coq version 8.8.dev"
-    VALIDATE: "1"
+    OPAM_PINS: "coq version 8.8.0"
 
 build-coq.8.7.2:
   <<: *template
   variables:
     OPAM_PINS: "coq version 8.7.2"
     OPAM_PKG: "coq-stdpp"
-    DOC_DIR: "coqdoc@center.mpi-sws.org:/stdpp"
+    DOC_DIR: "coqdoc@center.mpi-sws.org:stdpp"
     TIMING_PROJECT: "stdpp"
     TIMING_CONF: "coq-8.7.2"
   tags:

README.md

@@ -38,7 +38,7 @@ Notably:
 
 This version is known to compile with:
 
- - Coq version 8.6.0 / 8.6.1 / 8.7.0 / 8.7.1 / 8.7.2
+ - Coq version 8.6.0 / 8.6.1 / 8.7.0 / 8.7.1 / 8.7.2 / 8.8.0
 
 ## Installing via opam
 

ci @ 987ea45a

-Subproject commit e5c453511fcab2d178f687a5f226efd44f54b7f4
+Subproject commit 987ea45abdbb1f86a868328c3e51aa1a12cb35d7