Release 2.1.0 (#4321)

* fix deprecations
* remove unused config
* replace invalid annotation type with attribute
* use AsDoctrineListener to fix deprecation
* new ModifiedSubscriber to support custom logic and fix deprecation
* removed inheritdoc comment
* new ModifiedSubscriber to support custom logic and fix deprecation
* cleanup event dispatcher interface
* re-order annotation params
* one more doctrine based deprecation
* fix query to count active timesheets
* link to "all times" to identify active timesheets
* link icon instead of text
* fix "skin" translation in wizard
* use duration filter to show duration
* added login link command and controller
* bump tabler theme to 1.0
* added wizard to force password reset by user
* allow to configure that new accounts need to reset their password
* prevent uploading twig templates by default
* bump composer packages
* enable sandbox and basic security measures for custom twig templates for invoice and export
* bump to symfony 6.3.5
* allow to export single user reports to excel
* removed broken method to reload twig cache
* added api parameter to fetch user collection fully serialized
* allow to replace or append description via timesheet batch update
* show api username above form

translations/messages.nl.xlf

@@ -942,14 +942,6 @@
         <source>lastLogin</source>
         <target>Laatste login</target>
       </trans-unit>
-      <trans-unit id="ICpl9sx" resname="appendTags">
-        <source>appendTags</source>
-        <target>Voeg labels toe</target>
-      </trans-unit>
-      <trans-unit id="tl01EdS" resname="replaceTags">
-        <source>replaceTags</source>
-        <target>Vervang labels</target>
-      </trans-unit>
       <trans-unit id="b43sCwO" resname="help.fixedRate">
         <source>help.fixedRate</source>
         <target state="translated">Elke tijdsinvoer krijgt dezelfde prijs, ongeacht de duur ervan</target>