[gcr] Update Catalan translation

[Jordi Mas <jmas src gnome org>]

commit 3d769b092597402bb479364a6d68b297b363cf7e
Author: Jordi Mas <jmas softcatala org>
Date:   Mon Nov 8 21:57:00 2021 +0100

    Update Catalan translation

 po/ca.po | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/po/ca.po b/po/ca.po
index ca3db06..679699f 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -721,7 +721,7 @@ msgstr "Elgamal"
 
 #: ui/gcr-gnupg-renderer.c:216
 msgid "Encrypt"
-msgstr "Encripta"
+msgstr "Xifra"
 
 #: ui/gcr-gnupg-renderer.c:218
 msgid "Sign"
@@ -883,7 +883,7 @@ msgstr "Certificació personal de la clau"
 
 #: ui/gcr-gnupg-renderer.c:518
 msgid "Casual certification of key"
-msgstr "Certificació casual de la clau"
+msgstr "Certificació informal de la clau"
 
 #: ui/gcr-gnupg-renderer.c:520
 msgid "Positive certification of key"