Update actions-versions-updater.yml (#1546)

### What kind of change does this PR introduce?

* Changes the token used to push changes from a repository-held token to
an organizational-held one

### Does this PR introduce a breaking change?

No.

### Other information:

This makes it so that I don't need to manage one token per repo, which
is nice.

.github/workflows/actions-versions-updater.yml

@@ -13,12 +13,12 @@ jobs:
     steps:
       - uses: actions/[email protected]
         with:
-          token: ${{ secrets.WORKFLOW_TOKEN }}
+          token: ${{ secrets.BUMPVERSION_TOKEN }}
           persist-credentials: true
       - name: Run GitHub Actions Version Updater
         uses: saadmk11/[email protected]
         with:
-          token: ${{ secrets.WORKFLOW_TOKEN }}
+          token: ${{ secrets.BUMPVERSION_TOKEN }}
           committer_email: 'bumpversion[bot]@ouranos.ca'
           committer_username: 'update-github-actions[bot]'
           pull_request_title: '[bot] Update GitHub Action Versions'