Log Message:
pkgin: Update to 22.9.0.

## Version 22.9.0 (2022-09-06)

 * Pass verbose flag down to libfetch operations too.

 * Update show-keep/show-no-keep output format (Sunil Nimmagadda).

 * Add -4 and -6 flags to force libfetch to use IPv4/IPv6 (Staffan Thomén,
   Sebastian Wiedenroth).

 * Convert many SQL queries to use sqlite3_snprintf() and sqlite3 format
   strings to reduce potential SQL injection attacks (Taylor R Campbell).

 * Use sqlite3 savepoints, fixing issue around interrupted local summary
   updates (Taylor R Campbell).

 * Use posix_spawn() on newer macOS.