cluster: make port check error message more clear to users.

[3AceShowHand]

What problem does this PR solve?

• make error message for port range more clear to users, can help them to solve problems more quickly.

What is changed and how it works?

• modify port range error message

Check List

Tests

• No code

Code changes

Side effects

Related changes

Release notes:

NONE

[CLAassistant]

All committers have signed the CLA.

[codecov-commenter]

Codecov Report

Merging #1367 (bfee1d5) into master (f7ca6e5) will increase coverage by 29.05%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           master    #1367       +/-   ##
===========================================
+ Coverage   25.38%   54.43%   +29.05%     
===========================================
  Files         265      290       +25     
  Lines       20464    22347     +1883     
===========================================
+ Hits         5194    12165     +6971     
+ Misses      14473     8276     -6197     
- Partials      797     1906     +1109     

Flag	Coverage Δ
cluster	41.81% <0.00%> (?)
dm	24.75% <0.00%> (?)
integrate	48.98% <0.00%> (+33.45%)	⬆️
playground	13.78% <0.00%> (?)
tiup	15.52% <0.00%> (ø)
unittest	21.68% <100.00%> (ø)

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

Impacted Files	Coverage Δ
pkg/cluster/spec/validate.go	93.06% <100.00%> (+2.37%)	⬆️
pkg/cluster/operation/action.go	64.55% <0.00%> (ø)
pkg/cluster/operation/upgrade.go	57.27% <0.00%> (ø)
pkg/cluster/operation/scale_in.go	58.27% <0.00%> (ø)
pkg/logger/logger.go	100.00% <0.00%> (ø)
pkg/logger/audit.go	53.33% <0.00%> (ø)
components/playground/instance/tidb.go	81.25% <0.00%> (ø)
components/playground/instance/tikv.go	67.34% <0.00%> (ø)
components/playground/instance/tiflash_config.go	100.00% <0.00%> (ø)
pkg/cluster/operation/destroy.go	56.61% <0.00%> (ø)
... and 210 more

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