Merge branch '4.4' into 5.3

* 4.4:
  [Mailer] Fixed decode exception when sendgrid response is 202
  missing translations for basque

Author: fabpot

Resources/translations/validators.eu.xlf

@@ -386,6 +386,10 @@
                 <source>This value is not a valid International Securities Identification Number (ISIN).</source>
                 <target>Balio hori ez da baliozko baloreen nazioarteko identifikazio-zenbaki bat (ISIN).</target>
             </trans-unit>
+            <trans-unit id="100">
+                <source>This value should be a valid expression.</source>
+                <target>Balio hori baliozko adierazpena izan beharko litzateke.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>