matrix: Update synapse to 1.69.0

roles/matrix/tasks/main.yml

@@ -76,7 +76,7 @@
 - name: Install synapse
   pip:
     name:
-      - 'matrix-synapse[postgres,systemd,url_preview,redis,oidc]==1.68.0'
+      - 'matrix-synapse[postgres,systemd,url_preview,redis,oidc]==1.69.0'
     state: latest
     extra_args: '--upgrade-strategy=eager'
     virtualenv: /var/lib/synapse/venv