Upgrade to Spring Boot 3.4.4

[JohnNiang]

What type of PR is this?

/kind improvement
/area core
/milestone 2.20.x

What this PR does / why we need it:

This PR upgrades to Spring Boot 3.4.4.

Which issue(s) this PR fixes:

Fixes #7170

Does this PR introduce a user-facing change?

升级依赖 Spring Boot 至 3.4.4

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.18%. Comparing base (60c2009) to head (b79f453).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #7305   +/-   ##
=========================================
  Coverage     57.18%   57.18%           
  Complexity     4066     4066           
=========================================
  Files           721      721           
  Lines         24546    24546           
  Branches       1612     1612           
=========================================
  Hits          14036    14036           
  Misses         9882     9882           
  Partials        628      628           

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[ruibaby]

/lgtm

[f2c-ci-robot]

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