Apply suggestion from @diafour

Co-authored-by: Ivan Mikheykin <ivan.mikheykin@flant.com>
Signed-off-by: Nikita Korolev <141920865+universal-itengineer@users.noreply.github.com>

Author: universal-itengineer

.github/workflows/e2e-reusable-pipeline.yml

@@ -976,6 +976,7 @@ jobs:
             local delay=10
             local manifest
             manifest="$(mktemp)"
+            trap "rm -f \"${manifest}\" || true" RETURN
             cat > "$manifest"
 
             for i in $(seq 1 "$count"); do