feat(sat): parchea librería SAT para soportar agente proxy

- HttpsWebClient acepta un cuarto parámetro opcional 'agent'.
- El agente se pasa a https.request() para tunelar conexiones.
- Mantiene el parche anterior de fallback para getResponse.

patches/@nodecfdi__sat-ws-descarga-masiva@2.0.0.patch

@@ -1,5 +1,5 @@
 diff --git a/build/index.js b/build/index.js
-index bf7a6aafce966c4ab44ba3abb240578cc68779d6..4678df8734b098f20c7e14d8593bd4328fe759d8 100644
+index bf7a6aafce966c4ab44ba3abb240578cc68779d6..df01102262bbe6d544a5a1b4453977be8a826d0d 100644
 --- a/build/index.js
 +++ b/build/index.js
 @@ -266,7 +266,13 @@ var ServiceConsumer = class _ServiceConsumer {
@@ -17,3 +17,27 @@ index bf7a6aafce966c4ab44ba3abb240578cc68779d6..4678df8734b098f20c7e14d8593bd432
      }
      this.checkErrors(request, response, exception);
      return response.getBody();
+@@ -2660,10 +2666,12 @@ var HttpsWebClient = class {
+   _fireRequestClosure;
+   _fireResponseClosure;
+   _timeout;
+-  constructor(onFireRequest, onFireResponse, timeout) {
++  _agent;
++  constructor(onFireRequest, onFireResponse, timeout, agent = void 0) {
+     this._fireRequestClosure = onFireRequest;
+     this._fireResponseClosure = onFireResponse;
+     this._timeout = timeout;
++    this._agent = agent;
+   }
+   fireRequest(request) {
+     if (this._fireRequestClosure) {
+@@ -2679,7 +2687,8 @@ var HttpsWebClient = class {
+     const options = {
+       method: request.getMethod(),
+       headers: request.getHeaders(),
+-      timeout: this._timeout ?? request.getTimeout() ?? void 0
++      timeout: this._timeout ?? request.getTimeout() ?? void 0,
++      agent: this._agent
+     };
+     return new Promise((resolve, reject) => {
+       let clientRequest;