fix(axios): disable axios proxy when passing agent (NangoHQ#2396)

…h kicks in with https_proxy env set

## Describe your changes
As we are using httpProxyAgent we need to disable the axios default
proxy so the httpProxyAgent is considered not the proxy with kicks in by
default when we have https_proxy env set

## Issue ticket number and link

## Checklist before requesting a review (skip if just adding/editing
APIs & templates)
- [ ] I added tests, otherwise the reason is: 
- [ ] I added observability, otherwise the reason is:
- [ ] I added analytics, otherwise the reason is:

---------

Co-authored-by: Mithlesh Singh <misingh@qualys.com>

packages/utils/lib/axios.ts

@@ -1,5 +1,6 @@
 import { HttpProxyAgent } from 'http-proxy-agent';
 import { HttpsProxyAgent } from 'https-proxy-agent';
+import type { AxiosRequestConfig } from 'axios';
 import axios from 'axios';
 import http from 'node:http';
 import type { Agent as HttpAgent } from 'node:http';
@@ -19,7 +20,13 @@ if (hasHttpsProxy) {
     httpsAgent = new HttpsProxyAgent(hasHttpsProxy);
 }
 
-export const axiosInstance = axios.create({
+const config: AxiosRequestConfig = {
     httpAgent: httpAgent,
     httpsAgent: httpsAgent
-});
+};
+
+if (hasHttpProxy || hasHttpsProxy) {
+    config.proxy = false;
+}
+
+export const axiosInstance = axios.create(config);