cluster: fix cannot check time zone

[nexustar]

What problem does this PR solve?

• fix Tiup check failed, report an error：timezone Fail invalid character 'a' looking for beginning of value #1919

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation

Release notes:

NONE

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• AstroProfundis

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[codecov-commenter]

Codecov Report

Merging #1925 (6888427) into master (00a67b8) will increase coverage by 28.12%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           master    #1925       +/-   ##
===========================================
+ Coverage   23.95%   52.07%   +28.12%     
===========================================
  Files         281      307       +26     
  Lines       32514    35462     +2948     
===========================================
+ Hits         7788    18466    +10678     
+ Misses      23856    14798     -9058     
- Partials      870     2198     +1328     

Flag	Coverage Δ
cluster	40.47% <100.00%> (?)
dm	24.40% <0.00%> (?)
playground	12.94% <ø> (?)
tiup	14.45% <ø> (ø)
unittest	21.03% <0.00%> (-0.01%)	⬇️

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

Impacted Files	Coverage Δ
pkg/cluster/manager/check.go	69.61% <100.00%> (+65.14%)	⬆️
pkg/cluster/operation/action.go	61.61% <0.00%> (ø)
pkg/cluster/operation/systemd.go	75.00% <0.00%> (ø)
pkg/logger/logger.go	100.00% <0.00%> (ø)
components/playground/instance/tiflash.go	59.12% <0.00%> (ø)
components/playground/instance/drainer.go	0.00% <0.00%> (ø)
pkg/cluster/operation/destroy.go	58.39% <0.00%> (ø)
components/playground/instance/tikv.go	63.24% <0.00%> (ø)
pkg/cluster/operation/check.go	47.42% <0.00%> (ø)
pkg/logger/audit.go	57.69% <0.00%> (ø)
... and 216 more

---

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[nexustar]

/merge

[ti-chi-bot]

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

Commit hash: 6888427