Actually use correct Iris version...

83280c7b · Robbert Krebbers · 6e01904b · 83280c7b
Commit 83280c7b authored 4 years ago by Robbert Krebbers
--- a/opam
+++ b/opam
@@ -9,5 +9,5 @@ build: [make "-j%{jobs}%"]
 install: [make "install"]
 remove: [ "sh" "-c" "rm -rf '%{lib}%/coq/user-contrib/actris" ]
 depends: [
-  "coq-iris" { (= "dev.2020-05-28.2.2643cb7d") | (= "dev") }
+  "coq-iris" { (= "dev.2020-05-28.3.38f177d3") | (= "dev") }
 ]