doc: shell option for the execFile and execFileSync functions
Useful for executing in a shell because it accepts arguments as an array instead of a string as exec does. Depending on the circumstances, that can prove to be useful if the arguments are already prepared.
Fixes: https://github.com/nodejs/node/issues/18199
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
documentation is changed or added -
commit message follows commit guidelines
Affected core subsystem(s)
doc