Update Docker test image for Debian 9.
A change invalidated the current image which has been causing the d9 test to run longer.
# - docker login -u pgbackrest
# - VM=XXX;DATE=YYYYMMDDX;BASE=pgbackrest/test:${VM?}-base;docker tag ${BASE?} ${BASE?}-${DATE?} && docker push ${BASE?}-${DATE?}
# **********************************************************************************************************************************
-20220504A:
+20220506A:
x86_64:
- u20: 45b0905785dfd06c867b4067563171970c7581c5
+ d9: 5af02d378de0f10edcfc86ea27aa8400b825d39b
-20211016A:
+20220504A:
x86_64:
- d9: 3a0ed45fd9115f9612767e7bd13564608d1f8f83
+ u20: 45b0905785dfd06c867b4067563171970c7581c5
20210902A:
x86_64:
