patch: Add Flowzone back

Signed-off-by: Vipul Gupta (@vipulgupta2048) <vipulgupta2048@gmail.com>

.github/workflows/flowzone.yml

@@ -0,0 +1,31 @@
+
+name: Flowzone
+
+on:
+  pull_request:
+    types: [opened, synchronize, closed]
+    branches: [main, master]
+  # allow external contributions to use secrets within trusted code
+  pull_request_target:
+    types: [opened, synchronize, closed]
+    branches: [main, master]
+
+jobs:
+  flowzone:
+    name: Flowzone
+    uses: product-os/flowzone/.github/workflows/flowzone.yml@master
+    # prevent duplicate workflow executions for pull_request and pull_request_target
+    if: |
+      (
+        github.event.pull_request.head.repo.full_name == github.repository &&
+        github.event_name == 'pull_request'
+      ) || (
+        github.event.pull_request.head.repo.full_name != github.repository &&
+        github.event_name == 'pull_request_target'
+      )
+
+    # Workflows in the same org or enterprise can use the inherit keyword to implicitly pass secrets
+    secrets: inherit
+
+    with:
+      balena_slugs: balenalabs/balenasound