playground: add data-dir to ticdc

[nexustar]

What problem does this PR solve?

• playground: add data-dir to ticdc
• close bootstrap TiCDC servers with the TiUP's default data-dir configuration  #1614

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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[AstroProfundis]

/merge

[ti-chi-bot]

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

Commit hash: a9dfbc6

[codecov-commenter]

Codecov Report

Merging #1631 (7606deb) into master (6b1719c) will increase coverage by 5.84%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #1631      +/-   ##
==========================================
+ Coverage   15.59%   21.43%   +5.84%     
==========================================
  Files         151      169      +18     
  Lines       15234    17142    +1908     
==========================================
+ Hits         2376     3675    +1299     
- Misses      12341    12767     +426     
- Partials      517      700     +183     

Flag	Coverage Δ
integrate	21.43% <0.00%> (+5.84%)	⬆️
playground	13.35% <0.00%> (?)
tiup	15.59% <ø> (ø)
unittest	∅ <ø> (∅)

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

Impacted Files	Coverage Δ
components/playground/instance/ticdc.go	0.00% <0.00%> (ø)
components/playground/instance/tiflash.go	61.98% <0.00%> (ø)
components/playground/instance/instance.go	51.72% <0.00%> (ø)
components/playground/instance/drainer.go	0.00% <0.00%> (ø)
components/playground/command.go	82.90% <0.00%> (ø)
components/playground/instance/process.go	84.90% <0.00%> (ø)
components/playground/instance/tidb.go	84.61% <0.00%> (ø)
...onents/playground/instance/tiflash_proxy_config.go	83.33% <0.00%> (ø)
components/playground/grafana.go	78.40% <0.00%> (ø)
components/playground/instance/tikv.go	67.85% <0.00%> (ø)
... and 22 more

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