fix(deps): update dependency https-proxy-agent to v7 (#636)

lib/get-client.js

@@ -1,6 +1,6 @@
 const urljoin = require('url-join');
-const HttpProxyAgent = require('http-proxy-agent');
-const HttpsProxyAgent = require('https-proxy-agent');
+const {HttpProxyAgent} = require('http-proxy-agent');
+const {HttpsProxyAgent} = require('https-proxy-agent');
 
 const SemanticReleaseOctokit = require('./semantic-release-octokit');
 
@@ -12,8 +12,10 @@ module.exports = ({githubToken, githubUrl, githubApiPathPrefix, proxy}) => {
     request: {
       agent: proxy
         ? baseUrl && new URL(baseUrl).protocol.replace(':', '') === 'http'
-          ? new HttpProxyAgent(proxy)
-          : new HttpsProxyAgent(proxy)
+          ? // Some `proxy.headers` need to be passed as second arguments since version 6 or 7
+            // For simplicity, we just pass the same proxy object twice. It works 🤷🏻
+            new HttpProxyAgent(proxy, proxy)
+          : new HttpsProxyAgent(proxy, proxy)
         : undefined,
     },
   });