app/matrix: bump synapse do 1.42.0, enable public room browsing

Change-Id: Idf5a2e7bdcff89c0093908b17afc455e2768694b
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1146
Reviewed-by: q3k <q3k@hackerspace.pl>
diff --git a/app/matrix/lib/synapse/homeserver-ng.yaml b/app/matrix/lib/synapse/homeserver-ng.yaml
index f4fb22e..7d0a98a 100644
--- a/app/matrix/lib/synapse/homeserver-ng.yaml
+++ b/app/matrix/lib/synapse/homeserver-ng.yaml
@@ -126,3 +126,7 @@
    enabled: false

 

 enable_media_repo: False

+

+# Allow federated public rooms browsing

+allow_public_rooms_without_auth: true

+allow_public_rooms_over_federation: true