switch timing to 8.10.1

.gitlab-ci.yml

@@ -31,15 +31,15 @@ build-coq.8.10.1:
   <<: *template
   variables:
     OPAM_PINS: "coq version 8.10.1"
+    OPAM_PKG: "coq-lambda-rust"
+    TIMING_CONF: "coq-8.10.1"
+  tags:
+  - fp-timing
 
 build-coq.8.9.0:
   <<: *template
   variables:
     OPAM_PINS: "coq version 8.9.0"
-    OPAM_PKG: "coq-lambda-rust"
-    TIMING_CONF: "coq-8.9.0"
-  tags:
-  - fp-timing
 
 build-iris.dev:
   <<: *template