[Fix][Bug][Dev]Switch version in pom.xml to dev-SNAPSHOT (#9223)

[EricGao888]

Purpose of the pull request

• Versions in pom.xml files of dev branch is currently set to 2.0.4-SNAPSHOT, which is confusing. This PR switches the version from 2.0.4-SNAPSHOT to dev-SNAPSHOT.
• This PR closes: [Bug] [dev] version in pom.xml of dev branch confusing  #9223

Brief change log

• As stated above in Purpose section.

Verify this pull request

• Compile the code with cmd mvn -U install package -Prelease -Dmaven.test.skip=true and related output jars/packages should be of version dev-SNAPSHOT

[codecov-commenter]

Codecov Report

Merging #9248 (5456e84) into dev (e00727c) will decrease coverage by 0.11%.
The diff coverage is 21.95%.

❗ Current head 5456e84 differs from pull request most recent head 3f4f9df. Consider uploading reports for the commit 3f4f9df to get more accurate results

@@             Coverage Diff              @@
##                dev    #9248      +/-   ##
============================================
- Coverage     40.21%   40.09%   -0.12%     
+ Complexity     4375     4374       -1     
============================================
  Files           817      820       +3     
  Lines         32676    32743      +67     
  Branches       3637     3640       +3     
============================================
- Hits          13140    13129      -11     
- Misses        18306    18387      +81     
+ Partials       1230     1227       -3     

Impacted Files	Coverage Δ
...uler/plugin/alert/wechat/WeChatAlertConstants.java	0.00% <0.00%> (ø)
...lugin/alert/wechat/WeChatAlertParamsConstants.java	0.00% <ø> (ø)
...uler/plugin/alert/wechat/WechatAppChatMessage.java	0.00% <0.00%> (ø)
...cheduler/plugin/alert/wechat/WechatAppMessage.java	0.00% <0.00%> (ø)
...che/dolphinscheduler/api/ApiApplicationServer.java	33.33% <ø> (-26.67%)	⬇️
.../dolphinscheduler/common/enums/SlotCheckState.java	0.00% <0.00%> (ø)
...java/org/apache/dolphinscheduler/dao/AlertDao.java	21.73% <0.00%> (-0.74%)	⬇️
...pache/dolphinscheduler/dao/entity/ProjectUser.java	65.51% <0.00%> (-7.56%)	⬇️
.../datasource/api/client/CommonDataSourceClient.java	0.00% <ø> (ø)
...ugin/datasource/oracle/OracleDataSourceClient.java	0.00% <ø> (ø)
... and 21 more

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[EricGao888]

Please do not merge this PR at this time. There's still something wrong with it.

[zhongjiajie]

Please do not merge this PR at this time. There's still something wrong with it.

Is there still WIP for this PR?

[EricGao888]

Please do not merge this PR at this time. There's still something wrong with it.

Is there still WIP for this PR?

Still WIP, some wired issue with log4j.properties. #9223 (comment)

[zhongjiajie]

I will test locally in my laptop to try this PR,

[zhongjiajie]

@EricGao888 I find out your PR does not change anything. Did you delete your branch? Fix-9223

[EricGao888]

@EricGao888 I find out your PR does not change anything. Did you delete your branch? Fix-9223

@zhongjiajie Sorry I mistakenly delete the branch last night. I will recover it later.

[EricGao888]

@EricGao888 I find out your PR does not change anything. Did you delete your branch? Fix-9223

@zhongjiajie Sorry I mistakenly delete the branch last night. I will recover it later.

I reopened the PR here: #9299