Add GitHub token

Author: gregberge

.github/workflows/ci.yml

@@ -1,4 +1,7 @@
 name: Argos upload
+permissions:
+  contents: read
+  pull-requests: read
 on:
   push:
     branches: [main]
@@ -19,3 +22,4 @@ jobs:
         env:
           DEBUG: "@argos-ci/core"
           ARGOS_TOKEN: a1062035865420fb5a5c2a2a5baa501f94fa819f
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}