Add test vars to release workflow

Author: mattolenik

.github/workflows/release.yml

@@ -11,6 +11,10 @@ jobs:
     name: Create Release
     runs-on: ubuntu-latest
     steps:
+      - name: Get CloudFlare Token
+        run: echo ::set-env name=CLOUDFLARE_TOKEN::${{ secrets.CLOUDFLARE_TOKEN }}
+      - name: Get Test Domain Name
+        run: echo ::set-env name=TEST_DOMAIN::${{ secrets.TEST_DOMAIN }}
       - name: Install Go
         uses: actions/setup-go@v2
         with: