Merge pull request #29 from avsm/update-action-yml

Update action.yml

Author: Sora Morimoto

action.yml

@@ -2,8 +2,8 @@ name: Set up OCaml
 description: Set up an OCaml and opam environment and add to PATH
 author: Anil Madhavapeddy
 branding:
-  icon: "package"
-  color: "orange"
+  icon: package
+  color: orange
 inputs:
   ocaml-version:
     description: Version of the OCaml compiler to initialise
@@ -12,5 +12,5 @@ inputs:
     description: URL of the repository to fetch packages from
     default: ""
 runs:
-  using: "node12"
-  main: "lib/index.js"
+  using: node12
+  main: lib/index.js