Update product-os/flowzone digest to 7b87702

Update product-os/flowzone

Change-type: patch

Author: balena-renovate[bot]

.github/workflows/flowzone.yml

@@ -15,5 +15,5 @@ permissions:
 jobs:
   flowzone:
     name: Flowzone
-    uses: product-os/flowzone/.github/workflows/flowzone.yml@cc9836f6186621b864c25ffb25484ff4cfab6292 # master
+    uses: product-os/flowzone/.github/workflows/flowzone.yml@7b87702ed500aad15c3b8b85c622c709c63e7238 # master
     secrets: inherit