doc: fix `added:` info for `stream._construct()`
readable._construct()
and writable._construct()
were added to
Node.js v15.0.0 via fb8cc72e.
Fixes: https://github.com/nodejs/node/issues/36058
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
documentation is changed or added -
commit message follows commit guidelines