adding gh auth login (#1273)

Signed-off-by: willdavsmith <willdavsmith@gmail.com>

Author: willdavsmith

.github/workflows/upmerge.yaml

@@ -61,6 +61,8 @@ jobs:
         env:
             GITHUB_TOKEN: ${{ secrets.GH_RAD_CI_BOT_PAT }}
         run: |
+          gh auth login --with-token $GITHUB_TOKEN
+
           export SOURCE_BRANCH=$(basename ${{ github.ref }})
           echo "Upmerging docs from $SOURCE_BRANCH to edge"
           git fetch origin $SOURCE_BRANCH