Merge branch 'pmderodat/doc' into 'master'

doc: bump copyright year

See merge request eng/libadalang/langkit!866

Author: pmderodat

doc/conf.py

@@ -51,7 +51,7 @@
 
 # General information about the project.
 project = u'Langkit'
-copyright = u'2022, AdaCore'
+copyright = u'2022-2023, AdaCore'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -276,7 +276,7 @@
 epub_title = u'Langkit'
 epub_author = u'AdaCore'
 epub_publisher = u'AdaCore'
-epub_copyright = u'2022, AdaCore'
+epub_copyright = u'2022-2023, AdaCore'
 
 # The basename for the epub file. It defaults to the project name.
 #epub_basename = u'Langkit'