Merge pull request #989 from ocaml/prepare-3.4.0

Prepare 3.4.0

Author: smorimoto

package.json

@@ -1,6 +1,6 @@
 {
   "name": "setup-ocaml",
-  "version": "3.3.5",
+  "version": "3.4.0",
   "private": true,
   "type": "module",
   "workspaces": [