Preflight Checklist

• I have read the Contributing Guidelines for this project.
• I agree to follow the Code of Conduct that this project adheres to.
• I have searched the issue tracker for a bug report that matches the one I want to file, without success.

Electron Version

38.7.3

What operating system(s) are you using?

Windows, macOS, Ubuntu

Operating System Version

Windows 11

What arch are you using?

x64

Last Known Working Electron version

No response

Does the issue also appear in Chromium / Google Chrome?

I don't know how to test

Expected Behavior

Add proxy evn to .yarnrc.yml

diff --git a/.yarnrc.yml b/.yarnrc.yml
index 5b48258e62..cc9fd9357a 100644
--- a/.yarnrc.yml
+++ b/.yarnrc.yml
@@ -10,3 +10,7 @@ npmPreapprovedPackages:
   - "@electron/*"

 yarnPath: .yarn/releases/yarn-4.11.0.cjs
+
+httpProxy: "${HTTP_PROXY:-}"
+
+httpsProxy: "${HTTPS_PROXY:-}"

Actual Behavior

Yarn requests time out behind the proxy.

Testcase Gist URL

No response

Additional Information

No response