Update copyright year

This MR updates the current year stated in copyright notices to 2022.

Signed-off-by: TheEvilSkeleton <theevilskeleton@riseup.net>
Reference-to: https://github.com/tenacityteam/tenacity/pull/698

LICENSE.txt

@@ -6,7 +6,7 @@ directory may be released under a different license
 3RDPARTY.txt file, and for specific details, see the license
 information inside each subdirectory of lib-src.
 
-Tenacity is based upon Audacity, Copyright (c) 1999-2021 The Audacity Team
+Tenacity is based upon Audacity, Copyright (c) 1999-2022 The Audacity Team
 
 Documentation is distributed under the Creative Commons license (CC BY 3.0) [1]
 

win/Inno_Setup_Wizard/tenacity.iss.in

@@ -1,5 +1,5 @@
 ;   Tenacity: A Digital Audio Editor
-;   Tenacity(R) is copyright (c) 1999-2021 Tenacity Team.
+;   Tenacity(R) is copyright (c) 1999-2022 Tenacity Team.
 ;   License: GPL v2.  See License.txt.
 ;
 ;   tenacity.iss

win/tenacity.rc

@@ -52,7 +52,7 @@ BEGIN
             VALUE "FileDescription", "A customised Tenacity Cross-Platform Sound Editor"
             VALUE "FileVersion", AUDACITY_FILE_VERSION
             VALUE "InternalName", "DarkTenacity"
-            VALUE "LegalCopyright", "Copyright © 1999-2021 under GPLv2+"
+            VALUE "LegalCopyright", "Copyright © 1999-2022 under GPLv2+"
             VALUE "LegalTrademarks", ""
             VALUE "OriginalFilename", "DarkTenacity.exe"
             VALUE "ProductName", "DarkTenacity"
@@ -62,7 +62,7 @@ BEGIN
             VALUE "FileDescription", "Tenacity Cross-Platform Sound Editor"
             VALUE "FileVersion", AUDACITY_FILE_VERSION
             VALUE "InternalName", "Tenacity"
-            VALUE "LegalCopyright", "Copyright © 1999-2021 under GPLv2+"
+            VALUE "LegalCopyright", "Copyright © 1999-2022 under GPLv2+"
             VALUE "LegalTrademarks", ""
             VALUE "OriginalFilename", "Tenacity.exe"
             VALUE "ProductName", "Tenacity"