Update copyright string

Author: szszszsz

libnitrokey.pro

@@ -14,7 +14,7 @@ LIBNK_VERSION_MINOR = 7
 QMAKE_TARGET_COMPANY = Nitrokey
 QMAKE_TARGET_PRODUCT = libnitrokey
 QMAKE_TARGET_DESCRIPTION = Communicate with Nitrokey stick devices in a clean and easy manner
-QMAKE_TARGET_COPYRIGHT = Copyright (c) 2015-2021 Nitrokey Gmbh
+QMAKE_TARGET_COPYRIGHT = Copyright (c) 2015-2022 Nitrokey Gmbh
 
 HEADERS = \
    $$PWD/hidapi/hidapi/hidapi.h \