chore(mongodb): update image docker.io/bitnamisecure/mongodb digest to a6c182f (#49301)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/bitnamisecure/mongodb | digest | `e69978e` → `a6c182f` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the [Dependency
Dashboard](../issues/18710) for more information.

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

---

### Configuration

📅 **Schedule**: (UTC)

- 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:eyJjcmVhdGVkSW5WZXIiOiI0My4xMzAuMSIsInVwZGF0ZWRJblZlciI6IjQzLjEzMC4xIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImFwcC9tb25nb2RiIiwiYXV0b21lcmdlIiwicmVub3ZhdGUvY29udGFpbmVyIiwidHlwZS9kaWdlc3QiXX0=-->

charts/stable/mongodb/Chart.yaml

@@ -38,5 +38,5 @@ sources:
   - https://hub.docker.com/r/bitnamisecure/mongodb
   - https://www.mongodb.com
 type: application
-version: 17.4.2
+version: 17.4.3
 

charts/stable/mongodb/values.yaml

@@ -2,7 +2,7 @@
 image:
   repository: docker.io/bitnamisecure/mongodb
   pullPolicy: IfNotPresent
-  tag: latest@sha256:e69978eeb8a37c0b4afd9f8424d20af6274b4325ba33ef5267a0f41ec85a0e9c
+  tag: latest@sha256:a6c182f0dba309dafc58e6050d0940d82f8bc95d63faa1361b3c3faba094b07b
 
 workload:
   main: