*: refine the fatal log (#2896)

[ti-srebot]

cherry-pick #2896 to release-4.0

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What problem does this PR solve?

Part of #2704.

What is changed and how it works?

This PR refines all the fatal level log according to the RFC

Check List

Tests

• Unit test

Related changes

• Need to cherry-pick to the release branch

Release note

[lhy1024]

plz fix conflict

[codecov]

Codecov Report

Merging #2907 into release-4.0 will decrease coverage by 0.31%.
The diff coverage is 15.00%.

@@               Coverage Diff               @@
##           release-4.0    #2907      +/-   ##
===============================================
- Coverage        77.75%   77.43%   -0.32%     
===============================================
  Files              210      210              
  Lines            22811    22813       +2     
===============================================
- Hits             17737    17666      -71     
- Misses            3731     3818      +87     
+ Partials          1343     1329      -14     

Impacted Files	Coverage Δ
server/config/config.go	77.65% <0.00%> (ø)
server/core/store.go	80.12% <0.00%> (ø)
server/join/join.go	62.92% <0.00%> (ø)
server/kv/levedb_kv.go	82.85% <0.00%> (ø)
server/member/leader.go	75.76% <0.00%> (+1.92%)	⬆️
server/region_syncer/history_buffer.go	83.33% <0.00%> (ø)
server/schedule/scheduler.go	65.30% <0.00%> (ø)
server/util.go	46.91% <0.00%> (ø)
server/cluster/version.go	75.00% <20.00%> (-6.82%)	⬇️
pkg/logutil/log.go	85.27% <100.00%> (ø)
... and 16 more

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[rleungx]

/run-all-tests

[rleungx]

/merge

[ti-srebot]

/run-all-tests