po: Update German scripts translation

scripts/po/de.po

@@ -4,10 +4,10 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: dpkg-dev 1.21.14\n"
+"Project-Id-Version: dpkg-dev 1.21.20\n"
 "Report-Msgid-Bugs-To: debian-dpkg@lists.debian.org\n"
-"POT-Creation-Date: 2023-02-07 11:18+0000\n"
-"PO-Revision-Date: 2023-01-02 17:18+0100\n"
+"POT-Creation-Date: 2023-02-22 16:55+0100\n"
+"PO-Revision-Date: 2023-02-22 17:53+0100\n"
 "Last-Translator: Helge Kreutzmann <debian@helgefjell.de>\n"
 "Language-Team: German <debian-l10n-german@lists.debian.org>\n"
 "Language: de\n"
@@ -2930,6 +2930,10 @@ msgstr "fehlende OpenPGP-Implementierung"
 msgid "specified key needs a keystore"
 msgstr "angegebener Schlüssel benötigt einen Schlüsselspeicher"
 
+#: scripts/Dpkg/OpenPGP/ErrorCodes.pm
+msgid "OpenPGP backend command cannot sign"
+msgstr "OpenPGP-Backendbefehl kann nicht signieren"
+
 #: scripts/Dpkg/OpenPGP/ErrorCodes.pm
 #, perl-format
 msgid "error code %d"