cluster: ignore error when increasing schedule limit during upgrade

[AstroProfundis]

What problem does this PR solve?

Fix #1339

What is changed and how it works?

The error report when increasing schedule limit should be able to be safely ignored, as if we failed to change it, things are remained unchanged, and all operations should still be processed with the current settings.

Check List

Related changes

• Need to cherry-pick to the release branch

Release notes:

cluster: ignore error when increasing schedule limit during upgrade

[codecov-commenter]

Codecov Report

Merging #1359 (940fc07) into master (5059068) will increase coverage by 18.03%.
The diff coverage is 0.00%.

@@             Coverage Diff             @@
##           master    #1359       +/-   ##
===========================================
+ Coverage   25.38%   43.41%   +18.03%     
===========================================
  Files         265      255       -10     
  Lines       20464    19269     -1195     
===========================================
+ Hits         5194     8365     +3171     
+ Misses      14473     9512     -4961     
- Partials      797     1392      +595     

Flag	Coverage Δ
cluster	41.14% <0.00%> (?)
dm	24.70% <0.00%> (?)
integrate	43.41% <0.00%> (+27.88%)	⬆️
tiup	?
unittest	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/cluster/operation/upgrade.go	57.27% <0.00%> (ø)
pkg/utils/regexp.go	0.00% <0.00%> (-100.00%)	⬇️
pkg/repository/store/store.go	0.00% <0.00%> (-100.00%)	⬇️
components/dm/ansible/worker.go	0.00% <0.00%> (-100.00%)	⬇️
pkg/repository/utils/hash.go	0.00% <0.00%> (-81.82%)	⬇️
pkg/meta/err.go	0.00% <0.00%> (-81.25%)	⬇️
pkg/telemetry/telemetry.go	0.00% <0.00%> (-80.00%)	⬇️
pkg/utils/semver.go	6.95% <0.00%> (-78.27%)	⬇️
pkg/repository/store/local.go	0.00% <0.00%> (-76.48%)	⬇️
pkg/cluster/api/error.go	0.00% <0.00%> (-75.00%)	⬇️
... and 247 more

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[lucklove]

/lgtm

[ti-chi-bot]

[REVIEW NOTIFICATION]

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• lucklove

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[lucklove]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: c330e77