Fix missing newline at end of firmware_workflow.yml

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: SukuWc

.github/workflows/firmware_workflow.yml

@@ -32,4 +32,4 @@ jobs:
     uses: ./.github/workflows/firmware_release_nightly.yml
     with:
       product_name: "knot"
-    secrets: inherit
+    secrets: inherit