APPS-1055 Skip incremental backup if full backup was done recently

[korotkov-aerospike]

No description provided.

[codecov-commenter]

Codecov Report

Attention: 15 lines in your changes are missing coverage. Please review.

Comparison is base (ea1a43e) 19.95% compared to head (2026ef0) 19.90%.
Report is 5 commits behind head on main.

Files	Patch %	Lines
pkg/service/backup_scheduler.go	0.00%	13 Missing ⚠️
pkg/service/backup_backend_local.go	0.00%	1 Missing ⚠️
pkg/service/backup_backend_s3.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #95      +/-   ##
==========================================
- Coverage   19.95%   19.90%   -0.05%     
==========================================
  Files          28       28              
  Lines        1298     1301       +3     
==========================================
  Hits          259      259              
- Misses       1014     1017       +3     
  Partials       25       25              

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