update CHANGES and fixes to opam file to pass lint

CHANGES.md

@@ -1,3 +1,19 @@
+2.8.0 (2021-06-18)
+------------------
+
+* If the current working directory is the home directory, then
+  do not load `.ocamlinit` (@hyphenrf @copy #338)
+* With OCaml 4.12.0 and later, the toplevel uses the toplevel
+  state to exit with the right status code (#348 @octachron)
+* Fix color highlight for errors (#350 @chripell)
+* Add support for OCaml 4.13 (#353 @kit-ty-kate)
+
+Emacs mode fixes:
+* Company text-completion fixes (@leungbk #340)
+* `utop-query-arguments` always returns `(utop-arguments)` whether
+  it sets the utop-command or not (@dansanduleac #347)
+* Fix completion returning bogus candidates (#352 @chripell @rgrinberg)
+
 2.7.0 (2021-01-06)
 ------------------
 

utop.opam

@@ -1,7 +1,7 @@
 opam-version: "2.0"
 maintainer: "[email protected]"
 authors: "Jérémie Dimino"
-license: "BSD3"
+license: "BSD-3-Clause"
 homepage: "https://github.com/ocaml-community/utop"
 bug-reports: "https://github.com/ocaml-community/utop/issues"
 doc: "https://ocaml-community.github.io/utop/"
@@ -19,7 +19,7 @@ depends: [
   "dune" {>= "1.0"}
 ]
 build: [
-  ["dune" "subst"] {pinned}
+  ["dune" "subst"] {dev}
   ["dune" "build" "-p" name "-j" jobs]
   ["dune" "runtest" "-p" name "-j" jobs] {with-test}
 ]