Log Message:
www/drupal7: update to 7.72

Update durpal7 to 7.72 (Drupal 7.72).

Drupal 7.72, 2020-06-17
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- Fixed security issues:
   - SA-CORE-2020-004

Drupal 7.71, 2020-06-03
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- Fix for jQuery Form bug in Chromium-based browsers
- Full support for PHP 7.4