chore(helm): update image public.ecr.aws/docker/library/odoo digest to b81189b (#34246)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [public.ecr.aws/docker/library/odoo](https://hub.docker.com/_/odoo)
([source](https://redirect.github.com/odoo/docker)) | digest | `1fbf43e`
-> `b81189b` |

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charts/stable/odoo/Chart.yaml

@@ -41,5 +41,5 @@ sources:
   - https://github.com/odoo/docker
   - https://github.com/truecharts/charts/tree/master/charts/stable/odoo
 type: application
-version: 20.3.8
+version: 20.3.9
 

charts/stable/odoo/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: public.ecr.aws/docker/library/odoo
   pullPolicy: IfNotPresent
-  tag: 18.0@sha256:1fbf43e95af59e36ce62047c0488bb4b343a36476cb32be634a295d551251935
+  tag: 18.0@sha256:b81189bac8724a55d9dc9a5f117550efb15781867eb7a72eff963c17f8c9106d
 securityContext:
   container:
     readOnlyRootFilesystem: false