Update checkout and add extra information

.github/workflows/initiate-release.yml

@@ -15,10 +15,13 @@ jobs:
     steps:
       - name: Code Checkout
         uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
+        with:
+          # NOTE: custom token is used so pushed tag will trigger release workflow
+          token: ${{ secrets.HASHIBOT_TOKEN }}
       - name: Run initiator
         run: ./.ci/release-initiator "${VERSION}"
         env:
           VERSION: ${{ inputs.release_version }}
-          # NOTE: custom token is used so pushed tag will trigger release workflow
           HASHIBOT_TOKEN: ${{ secrets.HASHIBOT_TOKEN }}
-          HASHIBOT_USERNAME: vagrant-bot
+          HASHIBOT_USERNAME: ${{ vars.HASHIBOT_USERNAME }}
+          HASHIBOT_EMAIL: ${{ vars.HASHIBOT_EMAIL }}