Log Message:
duplicity: Update to 2.1.5

pkgsrc changes:
---------------
  * Migrate from lang/python/egg.mk to lang/python/wheel.mk.

upstream changes:
-----------------
rel.2.1.5 (2023-12-28)
New
  * _testbackend to simulate issues. [Thomas Laubrock]
  * _testbackend is a copy of the localbackend and allows to trigger certain
    miss behaviours. Failure type and condition can be set via env vars. Some
    test cases are added to test_badupload.py.
  * This is pre-work for !153 but want to decouple it for better handling.
Changes
  * Run po/update-pot. [Kenneth Loafman]
  * Remove “backup” and “replicate” dead code. [Kenneth Loafman]
  * Fix imports in _testbackend.py. [Kenneth Loafman]
  * Move addhandler() to __init__. [Kenneth Loafman]
  *   o Will not produce temp log unless in use
  *   o Reorg imports
  * Deprecate PyDrive backend. Replaced with GDrive backend. [Kenneth Loafman]
  * Setuptools_scm not needed at runtime. [Gwyn Ciesla]
  * Fix swift uploads to default to 5GB segment size. [Garth Williamson]
  * Add venv* to .gitignore. [Kenneth Loafman]
  * Some formatting fixes. [Kenneth Loafman]
  * Fix check of versions in setup.py. [Kenneth Loafman]
  * Limit range of versions in setup.py. [Kenneth Loafman]
  *   o We already had lower limit of 3.8, make 3.11 upper limit.
  * Update version for LP. [Kenneth Loafman]
Fix
  * Swap implied and removed action checks. [Kenneth Loafman]
  * Error on dry-run with verify. [Kenneth Loafman]
  * Fix imports in boxbackend.py. [Kenneth Loafman]
  * Multibackend not working with remove-all-but-n-full in stripe mode. [Kenneth \ 
Loafman]
  * remove short-circuit logic that fails
  *   o add test in testing/regression
  * Fixes #781
  * Fix collection-status with file-changed argument. [JulianWgs]