update dependencies

opam

@@ -9,6 +9,6 @@ build: [make "-j%{jobs}%"]
 install: [make "install"]
 remove: ["rm" "-rf" "%{lib}%/coq/user-contrib/reloc"]
 depends: [
-  "coq-iris-heap-lang" { (= "dev.2020-11-26.2.03b317f4") | (= "dev") }
+  "coq-iris-heap-lang" { (= "dev.2020-12-04.7.68955c65") | (= "dev") }
   "coq-autosubst" { = "dev" }
 ]

theories/examples/par.v

@@ -130,7 +130,7 @@ Section rules.
       rewrite refines_eq /refines_def.
       rewrite fill_app.
       iMod ("Ht" with "Hspec Hj") as "Ht".
-      rewrite wp_value_inv. iMod "Ht" as (?) "[Ht [_ ->]]".
+      rewrite wp_value_fupd. iMod "Ht" as (?) "[Ht [_ ->]]".
       wp_pures. iExists #(). eauto with iFrame.
   Qed.