[3rdparty] Bump symfony/event-dispatcher to 4.2.2

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
This commit is contained in:
Roeland Jago Douma
2019-01-08 19:55:42 +01:00
parent c3e2a68b58
commit 336cd77dbd