chore(helm): update image docker.io/revenz/fileflows digest to ef32d87 (#28504)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/revenz/fileflows | digest | `c9e3d2c` -> `ef32d87` |

Add the preset `:preserveSemverRanges` to your config if you don't want
to pin your dependencies.

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Renovate
Bot](https://redirect.github.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC4xMzMuMCIsInVwZGF0ZWRJblZlciI6IjM4LjEzMy4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInJlbm92YXRlL2NvbnRhaW5lciIsInR5cGUvZGlnZXN0Il19-->

charts/stable/fileflows/Chart.yaml

@@ -32,4 +32,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/fileflows
   - https://hub.docker.com/r/revenz/fileflows
 type: application
-version: 12.7.8
+version: 12.7.9

charts/stable/fileflows/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: docker.io/revenz/fileflows
-  tag: 24.10@sha256:c9e3d2c11a92ca58d53e73b63eeb711dca3d663adfa22e61cd63243cea3ea224
+  tag: 24.10@sha256:ef32d87ad391161168180bb00df796e2284136524917364ca76de10b5268b62f
   pullPolicy: IfNotPresent
 securityContext:
   container: