Update p5-Jifty-DBI to 0.72.

Changes from previous:
0.72 2011-10-17
- Fixes:
    * Handle DBH connection errors, retry the query (Luke Closs)

- Documentation:
    * Mention old_value in after_* hooks (Thomas Sibley)

0.71 2011-06-17
- Fixes:
    * Ensure canonicalization and validation triggers are properly found
      (Thomas Sibley)

0.70 2011-06-15
- Fixes:
    * Respect manual column sort_orders (Thomas Sibley)
    * Produce more useful error messages during schema upgrades (Thomas Sibley)

- Documentation:
    * Clarify what value after_set_* hooks receive (Thomas Sibley)

0.69 2011-05-17
- Fixes:
    * Remove some instances of qw() as parentheses deprecated in 5.14 (sunnavy)

(hiramatsu)