feat: add support for github authentication

Authentication is required to bypass the Github rate limiting.

frontend/fetch-version.ts

@@ -7,12 +7,25 @@ const { writeFileSync } = require('fs');
 const util = require('node:util');
 const exec = util.promisify(require('node:child_process').exec);
 
+let options = {};
+
 if (process.env.http_proxy) {
   const { setGlobalDispatcher, ProxyAgent } = require('undici');
 
   setGlobalDispatcher(new ProxyAgent(process.env.http_proxy));
 }
 
+if (process.env.GITHUB_USERNAME && process.env.GITHUB_TOKEN) {
+  console.error('Using credentials from environment variables.');
+  options.headers = {
+    Authorization:
+      'Basic ' +
+      Buffer.from(
+        process.env.GITHUB_USERNAME + ':' + process.env.GITHUB_TOKEN
+      ).toString('base64'),
+  };
+}
+
 async function main() {
   const git = exec('git describe --tags', {
     cwd: __dirname,
@@ -22,7 +35,8 @@ async function main() {
   });
 
   const github = fetch(
-    'https://api.github.com/repos/DSD-DBS/capella-collab-manager/releases'
+    'https://api.github.com/repos/DSD-DBS/capella-collab-manager/releases',
+    options
   );
 
   const gitResponse = await git;