refactor: version cleanup

[tsctx]

Followup of #2507

[tsctx]

This API exists since v16.8.0.
https://nodejs.org/api/stream.html#streamreadableisdisturbedstream

[codecov-commenter]

Codecov Report

Attention: 170 lines in your changes are missing coverage. Please review.

Comparison is base (e39a632) 85.54% compared to head (5c25c00) 84.88%.
Report is 206 commits behind head on main.

Files	Patch %	Lines
lib/fetch/index.js	67.29%	52 Missing ⚠️
lib/fetch/util.js	37.17%	49 Missing ⚠️
lib/handler/RetryHandler.js	74.35%	30 Missing ⚠️
lib/core/diagnostics.js	84.74%	9 Missing ⚠️
lib/cache/cache.js	0.00%	6 Missing ⚠️
lib/api/readable.js	88.88%	5 Missing ⚠️
lib/fetch/headers.js	90.19%	5 Missing ⚠️
lib/client.js	93.54%	4 Missing ⚠️
lib/compat/dispatcher-weakref.js	57.14%	3 Missing ⚠️
lib/core/util.js	95.65%	2 Missing ⚠️
... and 4 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2605      +/-   ##
==========================================
- Coverage   85.54%   84.88%   -0.67%     
==========================================
  Files          76       81       +5     
  Lines        6858     7279     +421     
==========================================
+ Hits         5867     6179     +312     
- Misses        991     1100     +109     

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[mcollina]

lgtm