Translations update from Weblate (#1994)

Co-authored-by: Nathan <bonnemainsnathan@gmail.com>
Co-authored-by: Kevin Papst <kevin@kevinpapst.de>
Co-authored-by: Balázs Fülöp <fulopbalazs91@gmail.com>
Co-authored-by: J. Lavoie <j.lavoie@net-c.ca>
Co-authored-by: Juri Grabowski <hosted-weblate@jugra.de>
Co-authored-by: Katarzyna Sobolewska <kasia.sobolewska1@gmail.com>
Co-authored-by: ssantos <ssantos@web.de>
Co-authored-by: Péter Gyetvai <gyetpet@mailbox.org>
Co-authored-by: Yaron Shahrabani <sh.yaron@gmail.com>
Co-authored-by: Kevin Papst <kpapst@gmx.net>

translations/exceptions.ja.xlf

@@ -16,7 +16,7 @@
             </trans-unit>
             <trans-unit id="http_error.description">
                 <source>http_error.description</source>
-                <target>Oops! エラーが発生しました。</target>
+                <target>エラーが発生しました。</target>
             </trans-unit>
             <trans-unit id="http_error.suggestion">
                 <source>http_error.suggestion</source>
@@ -28,7 +28,7 @@
             </trans-unit>
             <trans-unit id="http_error_404.description">
                 <source>http_error_404.description</source>
-                <target>Oops! ページが見付かりませんでした。</target>
+                <target>ページが見付かりませんでした。</target>
             </trans-unit>
             <trans-unit id="http_error_404.suggestion">
                 <source>http_error_404.suggestion</source>