[gimp/gimp-2-10] Update Catalan translation

[Jordi Mas <jmas src gnome org>]

commit fb06f1214cd43377909e9991a1cdfa6d32cfc7e8
Author: Jordi Mas <jmas softcatala org>
Date:   Thu Sep 9 21:41:56 2021 +0200

    Update Catalan translation

 po-plug-ins/ca.po | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/po-plug-ins/ca.po b/po-plug-ins/ca.po
index 63e8f13bd1..341a16af5f 100644
--- a/po-plug-ins/ca.po
+++ b/po-plug-ins/ca.po
@@ -5784,11 +5784,11 @@ msgstr "Ajusta com canvia aleatòriament la saturació del color"
 
 #: ../plug-ins/common/sparkle.c:493
 msgid "_Preserve luminosity"
-msgstr "_Preserva la lluminositat"
+msgstr "_Conserva la lluminositat"
 
 #: ../plug-ins/common/sparkle.c:500
 msgid "Should the luminosity be preserved?"
-msgstr "Cal preservar la lluminositat?"
+msgstr "Cal conservar la lluminositat?"
 
 #: ../plug-ins/common/sparkle.c:509
 msgid "In_verse"