chore(3rdparty): update symfony/mailer to 5.4.22

Signed-off-by: Daniel Kesselberg <mail@danielkesselberg.de>

diff --git a/3rdparty b/3rdparty
index fd8e55fb6ff4585e46cab3b381372639e73d5a4f..08ec878b41f5e670af6ba85280d9298c454f81fb 160000 (submodule)
--- a/3rdparty
+++ b/3rdparty
@@ -1 +1 @@
-Subproject commit fd8e55fb6ff4585e46cab3b381372639e73d5a4f
+Subproject commit 08ec878b41f5e670af6ba85280d9298c454f81fb