dgram: add UV_UDP_REUSEPORT for udp

[theanarkh]

UV_UDP_REUSEPORT allows users to bind a port to multiple sockets. Refs: https://github.com/libuv/libuv/pull/4419

• [x] make -j4 test (UNIX), or vcbuild test (Windows) passes
• [x] tests and/or benchmarks are included
• [x] documentation is changed or added
• [x] commit message follows commit guidelines

[nodejs-github-bot]

Review requested:

• [ ] @nodejs/net

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/63139/

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 88.40%. Comparing base (7a7c2b3) to head (c563569). Report is 68 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #55403      +/-   ##
==========================================
- Coverage   88.41%   88.40%   -0.02%     
==========================================
  Files         652      653       +1     
  Lines      186878   187491     +613     
  Branches    36061    36094      +33     
==========================================
+ Hits       165236   165751     +515     
- Misses      14895    14970      +75     
- Partials     6747     6770      +23     

Files with missing lines	Coverage Δ
lib/dgram.js	97.33% <100.00%> (+0.01%)	:arrow_up:
src/udp_wrap.cc	78.71% <100.00%> (+0.04%)	:arrow_up:

... and 119 files with indirect coverage changes

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/63141/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/63145/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/63153/

[addaleax]

Title should be dgram: add UV_TCP_REUSEPORT, right?

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/63171/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/63174/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/63187/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/63205/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/63207/ 💚

[nodejs-github-bot]

Landed in 6a02c2701e34eebcbbbeced061507af7d6481820