Merge #2513

2513: fix(auto-reply): include start and end dates in the auto-reply period r=mergify[bot] a=bb-wkr

## What type of PR?
bug-fix

## What does this PR do?
Include start and end dates in the auto-reply period

### Related issue(s)
closes #2512

## Prerequisites
Before we can consider review and merge, please make sure the following list is done and checked.
If an entry is not applicable, you can check it or remove it from the list.

- [X] In case of feature or enhancement: documentation updated accordingly
- [X] Unless it's docs or a minor change: add [changelog](https://mailu.io/master/contributors/workflow.html#changelog) entry file.


Co-authored-by: wkr <wkr@bitsbeats.com>

core/admin/mailu/models.py

@@ -546,8 +546,8 @@ class User(Base, Email):
         now = date.today()
         return (
             self.reply_enabled and
-            self.reply_startdate < now and
+            self.reply_startdate <= now and
-            self.reply_enddate > now
+            self.reply_enddate >= now
         )
 
     @property

towncrier/newsfragments/2512.bugfix

@@ -0,0 +1 @@
+Fix: include start and end dates in the auto-reply period