[Perl/perl5] f867fa: perldelta: more notes about switch and smartmatch

[Ricardo Signes via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: f867fa9b11d26b8ece608b25d3547d0a039a1857
      
https://github.com/Perl/perl5/commit/f867fa9b11d26b8ece608b25d3547d0a039a1857
  Author: Ricardo Signes <rjbs@semiotic.systems>
  Date:   2023-06-11 (Sun, 11 Jun 2023)

  Changed paths:
    M pod/perldelta.pod

  Log Message:
  -----------
  perldelta: more notes about switch and smartmatch

The use of "Smart Match" in the head2 is intentional, and is the exact
header under which they were introduced in v5.10.0.