update-project-version: Fix link to docs

Author: bkeryan

update-project-version/action.yml

@@ -27,6 +27,8 @@ inputs:
   use-dev-suffix:
     description: Specifies whether to use development versions like "1.0.0.dev0".
     default: true
+env:
+  action-url: https://github.com/${{ github.action_repository }}/tree/${{ github.action_ref }}/update-project-version
 runs:
   using: composite
   steps:
@@ -93,8 +95,8 @@ runs:
         ${{ steps.get-pr-details.outputs.project-table }}
 
         If the checks for this pull request appear to hang, you can work around this by closing and re-opening the PR. See
-        [ni/python-actions/update-project-version >> Inputs >> token](https://github.com/ni/python-actions?tab=readme-ov-file#token) and 
+        [ni/python-actions/update-project-version >> Inputs >> token](${{ env.action-url }}#token) and 
         [create-pull-request >> Triggering further workflow runs](https://github.com/peter-evans/create-pull-request/blob/main/docs/concepts-guidelines.md#triggering-further-workflow-runs)
         for more details.
 
-        This PR was generated by [ni/python-actions/update-project-version](https://github.com/ni/python-actions/). View the [workflow log](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}).
+        This PR was generated by [ni/python-actions/update-project-version](${{ env.action-url }}). View the [workflow log](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}).