build(deps): bump stalwartlabs/stalwart

Bumps stalwartlabs/stalwart from v0.16.11 to 0.16.14.

---
updated-dependencies:
- dependency-name: stalwartlabs/stalwart
  dependency-version: 0.16.14
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

kubernetes/infrastructure/mail/stalwart/values.yaml

@@ -7,7 +7,7 @@
 # Container image
 image:
     repository: stalwartlabs/stalwart
-    tag: v0.16.11
+    tag: 0.16.14
     pullPolicy: IfNotPresent
 # Single-node RocksDB deployment.
 replicaCount: 1
@@ -144,4 +144,4 @@ sops:
             -----END PGP MESSAGE-----
           fp: DC6910268E657FF70BA7EC289974494E76938DDC
     encrypted_regex: ^(password|value|ssh-key|api-key|user|username|privateKey|clientSecret|clientId|apiKey|extraArgs.*|.*Secret.*|extraEnvVars|.*SECRET.*|.*secret.*|key|.*Password|.*\.ya?ml)$
-    version: 3.10.2
+    version: 3.10.2