fix: Bypass proxy for localhost and link-local addresses when using P…

…AC scripts.

https://chromium-review.googlesource.com/c/chromium/src/+/1324880
https://bugs.chromium.org/p/chromium/issues/detail?id=912553

spec/api-session-spec.js

@@ -587,7 +587,7 @@ describe('session module', () => {
       server.listen(0, '127.0.0.1', () => {
         const config = { pacScript: `http://127.0.0.1:${server.address().port}` }
         customSession.setProxy(config, () => {
-          customSession.resolveProxy('http://localhost', (proxy) => {
+          customSession.resolveProxy('https://google.com', (proxy) => {
             assert.strictEqual(proxy, 'PROXY myproxy:8132')
             done()
           })