added override to socket.setEncoding to not allow encoding changes for
incoming HTTP requests
added tests to ensure method throws JavaScript error
because an HTTP buffer must be in US-ASCII, this function should not
be allowed and should throw an Error
currently, the process encounters a fatal v8 error and crashes

error report detailed in
[issue nodejs#18118](nodejs#18118)

Fixes: nodejs#18118
Ref: nodejs#18178

added test to ensure setEncoding inside socket connection
would throw an error

Fixes: nodejs#18118
Ref: nodejs#18178

added ERR_HTTP_INCOMING_SOCKET_ENCODING error and error docs
throw ERR_HTTP_INCOMING_SOCKET_ENCODING error when incoming request
socket encoding is manipulated

error report detailed in nodejs#18118

Fixes: nodejs#18118
Ref: nodejs#18178

added note and link to RFC7230

>A recipient MUST parse an HTTP message as a sequence of octets in an
encoding that is a superset of US-ASCII [USASCII].

Ref: https://tools.ietf.org/html/rfc7230#section-3

Ref: nodejs#18118
Ref: nodejs#18178
Ref: nodejs#19344

internal/errors declaration updated to match new scheme

PR-URL: nodejs#19344

Ref: https://tools.ietf.org/html/rfc7230#section-3

Ref: nodejs#18118
Ref: nodejs#18178
Ref: nodejs#19344

PR-URL: nodejs#19344

Ref: https://tools.ietf.org/html/rfc7230#section-3

Ref: nodejs#18118
Ref: nodejs#18178
Ref: nodejs#19344

PR-URL: nodejs#19344