fix(actions): forward GH_TOKEN into composite steps

Author: tannerlinsley

.github/changeset-preview/action.yml

@@ -17,3 +17,5 @@ runs:
           --pr "${{ github.event.number }}" \
           --body-file /tmp/changeset-preview.md \
           --marker "<!-- changeset-version-preview -->"
+      env:
+        GH_TOKEN: ${{ env.GH_TOKEN }}

.github/comment-on-release/README.md

@@ -60,6 +60,8 @@ Add this step to your `.github/workflows/release.yml` file after the `changesets
     GH_TOKEN: ${{ secrets.GH_TOKEN }}
 ```
 
+This action reads the token from the `GH_TOKEN` environment variable.
+
 ## Requirements
 
 - Must be using [Changesets](https://github.com/changesets/changesets) for releases

.github/comment-on-release/action.yml

@@ -12,3 +12,4 @@ runs:
       run: node ${{ github.action_path }}/comment-on-release.ts
       env:
         PUBLISHED_PACKAGES: ${{ inputs.published-packages }}
+        GH_TOKEN: ${{ env.GH_TOKEN }}