update proxyType values to match w3c spec #9639

Job	Run time
Check	4m 45s
Rust	0s
Ruby / Build / Build	2m 33s
.NET / Build / Build	7m 57s
.NET / Browser Tests / Browser Tests	8m 26s
Python / Build / Build	3m 37s
Java / Browser Tests (macos) / Browser Tests (chrome, macos)	11m 52s
Java / Browser Tests (windows) / Browser Tests (chrome, windows)	9m 11s
Java / Remote Tests (macos) / Remote Tests (chrome, macos)	6m 18s
Ruby / Lint / Lint	2m 23s
Ruby / Documentation / Documentation	2m 57s
Ruby / Local Tests (chrome, macos) / Local Tests (chrome, macos)	10m 16s
Ruby / Local Tests (edge, windows) / Local Tests (edge, windows)	19m 43s
Ruby / Local Tests (chrome, windows) / Local Tests (chrome, windows)	19m 36s
Ruby / Local Tests (firefox, macos) / Local Tests (firefox, macos)	15m 21s
Ruby / Unit Tests (3.1.6, macos) / Unit Tests (3.1.6, macos)	3m 39s
Ruby / Local Tests (firefox, windows) / Local Tests (firefox, windows)	21m 22s
Ruby / Remote Tests (edge, windows) / Remote Tests (edge, windows)	33m 46s
Ruby / Unit Tests (3.1.6, ubuntu) / Unit Tests (3.1.6, ubuntu)	3m 35s
Ruby / Unit Tests (3.1.6, windows) / Unit Tests (3.1.6, windows)	20m 59s
Ruby / Unit Tests (3.3.5, ubuntu) / Unit Tests (3.3.5, ubuntu)	2m 31s
Ruby / Unit Tests (jruby-9.4.8.0, ubuntu) / Unit Tests (jruby-9.4.8.0, ubuntu)	5m 51s
Ruby / Unit Tests (truffleruby-24.1.1, ubuntu) / Unit Tests (truffleruby-24.1.1, ubuntu)	6m 37s
Python / Lint	24s
Python / Documentation	43s
Python / Mypy	44s
Python / Remote Tests / Integration Tests (remote)	6h 0m 16s
Python / Safari Tests / Integration Tests (safari)	3m 23s
	9h 48m 45s

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