Update pip and setuptools in scripts/initenv.sh

This is to support Debian 11 which ships setuptools
that do not support `-e` without setup.py

cmdeploy/src/cmdeploy/dovecot/dovecot.conf.j2

@@ -13,15 +13,13 @@ auth_cache_size = 100M
 mail_debug = yes
 {% endif %}
 
-mail_server_admin = mailto:root@{{ config.mail_domain }}
-mail_server_comment = Chatmail server
 
 mail_plugins = quota
 
 # these are the capabilities Delta Chat cares about actually 
 # so let's keep the network overhead per login small
 # https://github.com/deltachat/deltachat-core-rust/blob/master/src/imap/capabilities.rs
-imap_capability = IMAP4rev1 IDLE MOVE QUOTA CONDSTORE NOTIFY METADATA
+imap_capability = IMAP4rev1 IDLE MOVE QUOTA CONDSTORE NOTIFY
 
 
 # Authentication for system users.
@@ -75,7 +73,6 @@ mail_privileged_group = vmail
 # <https://datatracker.ietf.org/doc/html/rfc4978.html>
 protocol imap {
   mail_plugins = $mail_plugins imap_zlib imap_quota
-  imap_metadata = yes
 }
 
 protocol lmtp {

scripts/initenv.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 set -e
-python3 -m venv venv
+python3 -m venv --upgrade-deps venv
 
 venv/bin/pip install -e chatmaild 
 venv/bin/pip install -e cmdeploy