Enable Matrix message thread support.

This change enables experimental message threading support and upgrades
Synapse and Element to their latest stable versions.

Change-Id: I68334982168ffdac98a1602a157be727b04e58d6
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1286
Reviewed-by: informatic <informatic@hackerspace.pl>
Reviewed-by: q3k <q3k@hackerspace.pl>
diff --git a/app/matrix/lib/matrix-ng.libsonnet b/app/matrix/lib/matrix-ng.libsonnet
index 20c33e8..b17dd9d 100644
--- a/app/matrix/lib/matrix-ng.libsonnet
+++ b/app/matrix/lib/matrix-ng.libsonnet
@@ -108,8 +108,8 @@
         storageClassName: "waw-hdd-redundant-3",
 
         images: {
-            synapse: "matrixdotorg/synapse:v1.42.0",
-            riot: "vectorim/element-web:v1.8.5",
+            synapse: "matrixdotorg/synapse:v1.56.0",
+            riot: "vectorim/element-web:v1.10.10",
             casProxy: "registry.k0.hswaw.net/q3k/oauth2-cas-proxy:0.1.4",
             appserviceIRC: "matrixdotorg/matrix-appservice-irc:release-v0.29.0",
             appserviceTelegram: "dock.mau.dev/tulir/mautrix-telegram@sha256:c6e25cb57e1b67027069e8dc2627338df35d156315c004a6f2b34b6aeaa79f77",