Translations update from Hosted Weblate (#3607)

Co-authored-by: Laurens Wuyts <laurens@mapix.be>
Co-authored-by: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
Co-authored-by: MohammadReza Baeedi (M.R.B) <mohammadreza.baeedi@gmail.com>
Co-authored-by: Sergii Horichenko <m@sgg.im>
Co-authored-by: Simona Iacob <s@zp1.net>
Co-authored-by: Swyter <swyterzone@gmail.com>
Co-authored-by: Yaron Shahrabani <sh.yaron@gmail.com>
Co-authored-by: gallegonovato <fran-carro@hotmail.es>
Co-authored-by: Kevin Papst <kevin@kevinpapst.de>

translations/reporting.nl.xlf

@@ -46,6 +46,10 @@
         <source>report_user_year</source>
         <target state="translated">Jaaroverzicht voor één gebruiker</target>
       </trans-unit>
+      <trans-unit id="8RaUHlW" resname="report_customer_monthly_projects">
+        <source>report_customer_monthly_projects</source>
+        <target state="translated">Projecten per maand, activiteit en gebruiker</target>
+      </trans-unit>
     </body>
   </file>
 </xliff>