fix(release): install javadoc in release script

[huangjw806]

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What's changed and what's your intention?

fix connector compilation error.

https://buildkite.com/risingwavelabs/main-cron/builds/948#018b41e4-2a53-4f4d-9c57-92daf8cd93d7

Checklist

• I have written necessary rustdoc comments
• I have added necessary unit tests and integration tests
• I have added fuzzing tests or opened an issue to track them. (Optional, recommended for new SQL features Sqlsmith: Sql feature generation #7934).
• My PR contains breaking changes. (If it deprecates some features, please create a tracking issue to remove them in the future).
• All checks passed in ./risedev check (or alias, ./risedev c)
• My PR changes performance-critical code. (Please run macro/micro-benchmarks and show the results.)

• My PR contains critical fixes that are necessary to be merged into the latest release. (Please check out the details)

[codecov]

Codecov Report

Merging #12949 (ed2fb9e) into main (878ebac) will decrease coverage by 0.01%.
Report is 1 commits behind head on main.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main   #12949      +/-   ##
==========================================
- Coverage   68.63%   68.63%   -0.01%     
==========================================
  Files        1496     1496              
  Lines      249717   249717              
==========================================
- Hits       171383   171381       -2     
- Misses      78334    78336       +2     

Flag	Coverage Δ
rust	68.63% <ø> (-0.01%)	⬇️

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see 3 files with indirect coverage changes

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