https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1311#issuecomment-945718866

for matrix_nginx_proxy_proxy_synapse_metrics_basic_auth_key
resolves #1308

when matrix_nginx_proxy_proxy_synapse_metrics is enabled

* add timeout param for nginx proxy

default value matrix_nginx_proxy_request_timeout is 60s

* default matrix_nginx_proxy_request_timeout - 60s

* few more variables for request timeout

* Update nginx.conf.j2

* Update nginx.conf.j2

This reverts commit 732051b8fc.

There's no such container image published yet.

http://nginx.org/en/CHANGES

Upgrade certbot (v1.16.0 -> v1.17.0) nginx (1.21.0 -> 1.21.1)

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1057

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1057

Not sure if this is beneficial though.

Signed-off-by: Ahmad Haghighi <haghighi@fedoraproject.org>

This variable was previously undefined in the role and was only getting
defined via `group_vars/matrix_servers`.

We now properly initialize it (and its good default value) in the role
itself.

Fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/683