[fix][sec] Upgrade to Netty 4.1.132.Final to address CVEs

[lhotari]

Motivation

Netty 4.1.132.Final addresses these CVEs:

• CVE-2026-33871 rated high. This is an HTTP/2 CONTINUATION frame flood Denial of Service vulnerability.
• CVE-2026-33870 rated high. This is an HTTP/1.1 Request Smuggling vulnerability in chunked encoding parsing.
  Release notes: https://netty.io/news/2026/03/24/4-1-132-Final.html

Modifications

• upgrade to Netty 4.1.132.Final

Documentation

• doc
• doc-required
• doc-not-needed
• doc-complete

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 72.81%. Comparing base (0ec3883) to head (10fe2f3).
⚠️ Report is 52 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #25399      +/-   ##
============================================
+ Coverage     72.77%   72.81%   +0.04%     
- Complexity    34215    34235      +20     
============================================
  Files          1952     1952              
  Lines        154546   154546              
  Branches      17700    17700              
============================================
+ Hits         112464   112529      +65     
+ Misses        33050    32986      -64     
+ Partials       9032     9031       -1     

Flag	Coverage Δ
inttests	25.91% <ø> (+0.29%)	⬆️
systests	22.54% <ø> (+0.06%)	⬆️
unittests	73.79% <ø> (+0.04%)	⬆️

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see 87 files with indirect coverage changes

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