[InterNetNews/inn] b93535: Fix POD formatting

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: b9353573836ce66c0d0ce511c449a62e556d34c1
      https://github.com/InterNetNews/inn/commit/b9353573836ce66c0d0ce511c449a62e556d34c1
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2022-07-08 (Fri, 08 Jul 2022)

  Changed paths:
    M doc/pod/ovdb_init.pod
    M doc/pod/ovdb_stat.pod

  Log Message:
  -----------
  Fix POD formatting

Notably double escape angle brackets in C<< db->upgrade() >>.