chore(deps): update container image tccr.io/truecharts/protonmail-bridge to v3.0.21 (#8512)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[tccr.io/truecharts/protonmail-bridge](https://togithub.com/truecharts/containers)
| patch | `3.0.17` -> `3.0.21` |

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charts/stable/protonmail-bridge/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v2
-appVersion: "3.0.17"
+appVersion: "3.0.21"
 dependencies:
   - name: common
     repository: https://library-charts.truecharts.org
@@ -19,7 +19,7 @@ name: protonmail-bridge
 sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/protonmail-bridge
   - https://github.com/shenxn/protonmail-bridge-docker
-version: 9.0.11
+version: 9.0.12
 annotations:
   truecharts.org/catagories: |
     - media

charts/stable/protonmail-bridge/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: tccr.io/truecharts/protonmail-bridge
-  tag: 3.0.17@sha256:23e2d0200f0f060b8732a4220c7d348b9633b051b2c9b27913ef44ccc37b4a34
+  tag: 3.0.21@sha256:3eb3543982e83c56f915e7d5f1ee6ddd8514abeed4fa4182b92f21370c33505d
   pullPolicy: IfNotPresent
 
 securityContext: