fix: secret data cannot be used in YAML

[guqing]

What type of PR is this?

/kind bug
/area core
/milestone 2.16.x

What this PR does / why we need it:

修复 Secret 的 data 字段无法在 YAML 使用的问题

Does this PR introduce a user-facing change?

None

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.2% Duplication on New Code

See analysis details on SonarCloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.60%. Comparing base (5fdf6c0) to head (7368f87).
Report is 166 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #5917      +/-   ##
============================================
- Coverage     56.91%   56.60%   -0.32%     
- Complexity     3319     3466     +147     
============================================
  Files           587      612      +25     
  Lines         18968    20477    +1509     
  Branches       1401     1413      +12     
============================================
+ Hits          10795    11590     +795     
- Misses         7594     8306     +712     
- Partials        579      581       +2     

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[JohnNiang]

/lgtm

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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