[gimp-help] Auto update copyright year

[Jacob Boerema <jboerema src gnome org>]

commit 37f494223d37870352d3e856c16e30eb148e27b5
Author: Jacob Boerema <jgboerema gmail com>
Date:   Fri Jun 3 16:14:26 2022 -0400

    Auto update copyright year
    
    This way we don't need to remember to update it.
    
    (cherry picked from commit cf5d41c28335c92f9bf45829e94ce5bd816d2e1b)
    
    # Conflicts:
    #       src/gimp.xml

 src/gimp.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/gimp.xml b/src/gimp.xml
index b93b6cbb9..2170434b8 100644
--- a/src/gimp.xml
+++ b/src/gimp.xml
@@ -26,7 +26,7 @@
     <title>GNU Image Manipulation Program</title>
     <subtitle>User Manual</subtitle>
     <copyright>
-      <year>2002-2021</year>
+      <year>2002-<?dbtimestamp format="Y"?></year>
       <holder>The GIMP Documentation Team</holder>
     </copyright>
     <legalnotice>