nano: Update to 7.2

nano: Update to 7.2

For details see:
https://lists.gnu.org/archive/html/info-gnu/2023-01/msg00007.html

"
...
The specific issue that was addressed in this release:
  https://savannah.gnu.org/bugs/?63616  (pasting succeeded despite --view)

Changes between v7.1 and v7.2:
------------------------------

Benno Schulenberg (12):
      bindings: let ^/ toggle between the 'search' and 'gotoline' menus
      bump version numbers and add a news item for the 7.2 release
      copyright: update the years for the FSF
      docs: give ^K and ^U some useful function in the alternative bindings
      docs: put the binding of ^Y after its unbinding, for it to be effective
      gnulib: update to its current upstream state
      input: disallow bracketed pastes when in view mode
      po: update translations and regenerate POT file and PO files
      syntax: html: colorize specially the other two emphasizing tags too
      tweaks: avoid warnings when compiling with -Wpedantic
      tweaks: rewrap an old news item
      tweaks: separate a special thanks from the preceding ones"

Signed-off-by: Matthias Fischer <matthias.fischer@ipfire.org>