What problem does this PR solve?
fixes: #1148
What is changed and how does it work?
Check List
Tests
- Unit test
- E2E test
- Stability test
- Manual test (add detailed scripts or steps below)
- No code
Code changes
- Has Helm charts change
- Has Go code change
- Has CI related scripts change
- Has documents change
Side effects
- Breaking backward compatibility
Related changes
- Need to cherry-pick to the release branch
- Need to update the documentation
Does this PR introduce a user-facing change?:
release-note
Fix issue where setting <code>TZ environment variable in TiKV pod doesn't work
