Bump doctrine/dbal to 3.1.4

Signed-off-by: Joas Schilling <coding@schilljs.com>

diff --git a/3rdparty b/3rdparty
index 217764f87ec6bbd359c76e57f0f48897d7c47646..991ab6cf6ecfd7795a4cbcedf6de0b0293fa34cf 160000 (submodule)
--- a/3rdparty
+++ b/3rdparty
@@ -1 +1 @@
-Subproject commit 217764f87ec6bbd359c76e57f0f48897d7c47646
+Subproject commit 991ab6cf6ecfd7795a4cbcedf6de0b0293fa34cf