[Curl] Notify cancelled error when AuthenticationChange is cancelled

[kshukuwa]

d467bd0

[Curl] Notify cancelled error when AuthenticationChange is cancelled
https://bugs.webkit.org/show_bug.cgi?id=247937

Reviewed by Fujii Hironori.

Notify cancelled error when AuthenticationChange is cancelled.

* Source/WebKit/NetworkProcess/curl/NetworkDataTaskCurl.cpp:
(WebKit::NetworkDataTaskCurl::tryHttpAuthentication):
(WebKit::NetworkDataTaskCurl::tryProxyAuthentication):

Canonical link: https://commits.webkit.org/256691@main

48089c4

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe
	✅ 🛠 ios-sim	✅ 🛠 mac-debug	✅ 🛠 gtk	✅ 🛠 wincairo
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🛠 mac-AS-debug	✅ 🧪 gtk-wk2
	✅ 🧪 api-ios	✅ 🧪 api-mac	✅ 🧪 api-gtk
	✅ 🛠 tv	🧪 mac-wk1
	✅ 🛠 tv-sim	✅ 🧪 mac-wk2
✅ 🛠 🧪 merge	✅ 🛠 watch	🧪 mac-AS-debug-wk2
	✅ 🛠 watch-sim	✅ 🧪 mac-wk2-stress

[webkit-early-warning-system]

EWS run on current version of this PR (hash 48089c4)

Misc	iOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe
	✅ 🛠 ios-sim	✅ 🛠 mac-debug	✅ 🛠 gtk	✅ 🛠 wincairo
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🛠 mac-AS-debug	✅ 🧪 gtk-wk2
	✅ 🧪 api-ios	✅ 🧪 api-mac	✅ 🧪 api-gtk
	✅ 🛠 tv	🧪 mac-wk1
	✅ 🛠 tv-sim	✅ 🧪 mac-wk2
✅ 🛠 🧪 merge	✅ 🛠 watch	🧪 mac-AS-debug-wk2
	✅ 🛠 watch-sim	✅ 🧪 mac-wk2-stress

[kshukuwa]

@fujii Could you add merge-queue label ?

[webkit-commit-queue]

Committed 256691@main (d467bd0): https://commits.webkit.org/256691@main

Reviewed commits have been landed. Closing PR #6504 and removing active labels.