Update the Windows codesigning cetficiate for another 3 years

Author: bengotow

.appveyor.yml

@@ -56,7 +56,7 @@ environment:
     SIGN_BUILD: true
     WINDOWS_CODESIGN_CERT: .\app\build\resources\certs\win\win-codesigning.p12
     WINDOWS_CODESIGN_CERT_PASSWORD:
-      secure: 3ddxqTBFv+xflIzypB0fNg==
+      secure: RovLLdpfq3LDeWzXZ0DLD9NxbOBxIi2FI8yndjCH+Yg=
     encrypted_faf2708e46e2_key:
       secure: mdegN/AldrADhtEop6mDwq6d4jUskzijK2X7Twf2lj9t3jdaW4OtMuJ5Ywyt+GN/N7qMFr7LOvxQ5gz4aoIW+Dg9d03AX3BH1o4BI6g+wdk=
     encrypted_faf2708e46e2_iv: