ci: updating GITHUB_TOKEN environmental variable to use secret directly

.github/workflows/beta.yaml

@@ -17,7 +17,7 @@ jobs:
       - name: Running beta release
         run: |
           docker run \
-          -e GITHUB_TOKEN="${GITHUB_TOKEN}" \
+          -e GITHUB_TOKEN="${{ secrets.GITHUB_TOKEN }}" \
           -e GIT_DIRECTORY="/app" \
           -e GIT_EMAIL=${GIT_EMAIL} \
           -e GIT_USERNAME="${GIT_USERNAME}" \