www/nginx-devel: update NGINX JavaScript module to 0.7.4

Bump PORTREVISION.

<ChangeLog>
nginx modules:

*) Feature: added extended directive to configure Fetch API.

The following directives were added: "js_fetch_timeout",
"js_fetch_verify", "js_fetch_buffer_size",
"js_fetch_max_response_buffer_size".

*) Change: r.internalRedirect() now accepts escaped URIs.

*) Bugfix: fixed Response parsing with more than 8 headers

in Fetch API.

Core:

*) Feature: added njs.version_number property.

*) Feature: added compatibility with BoringSSL for

WebCrypto API.

*) Bugfix: fixed Array.prototype.sort() when arr size is changed

in a comparator.

*) Bugfix: fixed Array.prototype.slice() with slow "this" argument.

*) Bugfix: fixed aggregation methods of Promise ctor with

array-like object.

*) Bugfix: fixed Array.prototype.lastIndexOf() with unicode

string as "this".

*) Bugfix: fixed JSON.parse() when reviver function is provided.

*) Bugfix: fixed Object.defineProperty() when a recursive descriptor

is provided.

*) Bugfix: fixed Array.prototype.fill() for typed-arrays.

*) Bugfix: making function expression binding immutable according

the specs.

*) Bugfix: fixed redefinition of special props in

Object.defineProperty().

</ChangeLog>