[Improvement][Style] Update spotless junit4 check scope

[EricGao888]

Purpose of the pull request

• Update the scope of Spotless junit4 import check step.
• Handle NumberFormatException [Improvement-12333][Test] Migrate all UT cases from jUnit 4 to jUnit 5 in microbench and e2e module #12348 (comment)
• This PR closes: [Migration][Test] jUnit4 -> jUnit5 UT cases migration #12301

Brief change log

• Already described above.

Verify this pull request

• Verified manually.

[codecov-commenter]

Codecov Report

Merging #12450 (317d406) into dev (97edc7d) will increase coverage by 0.13%.
The diff coverage is 65.86%.

❗ Current head 317d406 differs from pull request most recent head f1712a6. Consider uploading reports for the commit f1712a6 to get more accurate results

@@             Coverage Diff              @@
##                dev   #12450      +/-   ##
============================================
+ Coverage     39.23%   39.36%   +0.13%     
  Complexity     4213     4213              
============================================
  Files          1040     1040              
  Lines         38793    39157     +364     
  Branches       4462     4482      +20     
============================================
+ Hits          15219    15416     +197     
- Misses        21800    21964     +164     
- Partials       1774     1777       +3     

Impacted Files	Coverage Δ
...plugin/alert/dingtalk/DingTalkParamsConstants.java	0.00% <ø> (ø)
...cheduler/plugin/alert/email/EmailAlertChannel.java	47.61% <ø> (ø)
...inscheduler/plugin/alert/email/EmailConstants.java	0.00% <ø> (ø)
...eduler/plugin/alert/email/MailParamsConstants.java	0.00% <ø> (ø)
...olphinscheduler/plugin/alert/email/MailSender.java	50.68% <0.00%> (-0.35%)	⬇️
...gin/alert/email/exception/AlertEmailException.java	50.00% <ø> (ø)
...ugin/alert/email/template/DefaultHTMLTemplate.java	79.24% <0.00%> (-1.53%)	⬇️
...eduler/plugin/alert/feishu/FeiShuAlertChannel.java	16.66% <ø> (ø)
...ler/plugin/alert/feishu/FeiShuParamsConstants.java	0.00% <ø> (ø)
...hinscheduler/plugin/alert/feishu/FeiShuSender.java	46.55% <0.00%> (-1.24%)	⬇️
... and 504 more

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[sonarqubecloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
33 Code Smells

48.8% Coverage
0.8% Duplication