Merge #1880

1880: Update jquery dependency  of setup and set pinned versions r=mergify[bot] a=Diman0

## What type of PR?

enhancement

## What does this PR do?
Update used jquery javascript files.
Also sets pinned (fixed) versions in requirements.txt. I set the same versions as used in requirements-prod.txt for the admin image. 

### Related issue(s)
- Update dependencies as discussed in #1829 
- closes #1868

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


- [x] Unless it's docs or a minor change: add [changelog](https://mailu.io/master/contributors/workflow.html#changelog) entry file.


Co-authored-by: Dimitri Huisman <diman@huisman.xyz>

setup/requirements.txt

@@ -1,4 +1,4 @@
-flask
+Flask==1.0.2
-flask-bootstrap
+Flask-Bootstrap==3.3.7.1
-redis
+gunicorn==19.9.0
-gunicorn
+redis==3.2.1

setup/templates/steps/compose/02_services.html

@@ -59,7 +59,7 @@ the security implications caused by such an increase of attack surface.<p>
   <i>Fetchmail allows users to retrieve mail from an external mail-server via IMAP/POP3 and puts it in their inbox.</i>
 </div>
 
-<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
+<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
 
 <script type="text/javascript" src="{{ url_for('static', filename='render.js') }}"></script>
 

setup/templates/steps/config.html

@@ -83,7 +83,7 @@ manage your email domains, users, etc.</p>
     <input class="form-control" type="text" name="admin_path" id="admin_path" style="display: none">
 </div>
 
-<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
+<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
 
 <script type="text/javascript" src="{{ url_for('static', filename='render.js') }}"></script>
 

setup/templates/steps/stack/02_services.html

@@ -55,7 +55,7 @@ the security implications caused by such an increase of attack surface.<p>
   <i>Fetchmail allows users to retrieve mail from an external mail-server via IMAP/POP3 and puts it in their inbox.</i>
 </div>
 
-<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
+<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
 
 <script type="text/javascript" src="{{ url_for('static', filename='render.js') }}"></script>
 

towncrier/newsfragments/1880.feature

@@ -0,0 +1 @@
+Update jquery used in setup. Set pinned versions in requirements.txt for setup. This is a security update.