Bump v1.2.4

[lucklove]

What problem does this PR solve?

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

[codecov-io]

Codecov Report

Merging #921 (58c285e) into master (d78a446) will decrease coverage by 4.28%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #921      +/-   ##
==========================================
- Coverage   53.09%   48.81%   -4.29%     
==========================================
  Files         260      260              
  Lines       18946    18946              
==========================================
- Hits        10059     9248     -811     
- Misses       7341     8250     +909     
+ Partials     1546     1448      -98     

Flag	Coverage Δ
cluster	39.13% <ø> (-6.00%)	⬇️
dm	25.03% <ø> (ø)
integrate	43.35% <ø> (-4.34%)	⬇️
playground	22.09% <ø> (ø)
tiup	10.67% <ø> (+<0.01%)	⬆️
unittest	21.51% <ø> (ø)

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

Impacted Files	Coverage Δ
pkg/version/version.go	84.61% <ø> (ø)
components/cluster/command/check.go	6.37% <0.00%> (-72.82%)	⬇️
pkg/cluster/task/limits.go	0.00% <0.00%> (-68.75%)	⬇️
pkg/cluster/task/sysctl.go	0.00% <0.00%> (-66.67%)	⬇️
components/cluster/command/audit.go	27.27% <0.00%> (-54.55%)	⬇️
pkg/cluster/operation/check.go	0.00% <0.00%> (-51.95%)	⬇️
pkg/cluster/task/rmdir.go	0.00% <0.00%> (-50.00%)	⬇️
pkg/cluster/operation/operation.go	34.78% <0.00%> (-43.48%)	⬇️
components/cluster/command/rename.go	25.00% <0.00%> (-41.67%)	⬇️
components/cluster/command/stop.go	38.46% <0.00%> (-30.77%)	⬇️
... and 30 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d78a446...58c285e. Read the comment docs.