[release-1.3] update the code of month-end cronbackup

[kubeclipper-bot]

This is an automated cherry-pick of #379

None

[codecov-commenter]

Codecov Report

Merging #381 (f6c2d19) into release-1.3 (0b106eb) will decrease coverage by 0.02%.
The diff coverage is 5.88%.

@@               Coverage Diff               @@
##           release-1.3     #381      +/-   ##
===============================================
- Coverage        12.97%   12.94%   -0.03%     
===============================================
  Files              102      102              
  Lines            15697    15723      +26     
===============================================
- Hits              2037     2036       -1     
- Misses           13415    13442      +27     
  Partials           245      245              

Impacted Files	Coverage Δ
pkg/apis/core/v1/handler.go	0.30% <0.00%> (-0.01%)	⬇️
pkg/component/nfs/nfs.go	0.60% <0.00%> (-0.05%)	⬇️
pkg/controller/cronbackupcontroller/controller.go	2.22% <50.00%> (-0.25%)	⬇️

[x893675]

/lgtm
/approve

[kubeclipper-bot]

LGTM label has been added.

Git tree hash: 4fb3ee03823894bf5a422b1e9741dc89ed3df706

[kubeclipper-bot]

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