serialize.allowlist is not include SingletonMap

[ray-lsr]

#12959
serialize.allowlist is not include SingletonMap

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.51%. Comparing base (711de7c) to head (0d8eea6).
⚠️ Report is 683 commits behind head on 3.2.

Additional details and impacted files

@@              Coverage Diff              @@
##                3.2   #12962       +/-   ##
=============================================
+ Coverage     68.76%   69.51%    +0.75%     
+ Complexity      318        2      -316     
=============================================
  Files          3659     1649     -2010     
  Lines        171215    68486   -102729     
  Branches      28344     9996    -18348     
=============================================
- Hits         117731    47607    -70124     
+ Misses        43305    16289    -27016     
+ Partials      10179     4590     -5589     

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[icodening]

LGTM