fix: remove the redirection of the Proxy-Authorization header #1105

Job	Run time
macos (macos-13, x86_64)	5m 17s
sdist	35s
musllinux (ubuntu-latest, x86_64, x86_64-linux-musl-cross, x86_64-linux-musl-gcc, x86_64-linux-mu...	4m 59s
macos (macos-14, aarch64)	3m 5s
musllinux (ubuntu-latest, aarch64, aarch64-linux-musl-cross, crossbuild-essential-arm64, aarch64-...	6m 49s
linux (ubuntu-latest, x86_64)	5m 26s
windows (windows-latest, x64)	8m 5s
linux (ubuntu-latest, aarch64, crossbuild-essential-arm64, -D__ARM_ARCH=8, aarch64-linux-gnu-gcc,...	8m 24s
linux (ubuntu-latest, armv7, crossbuild-essential-armhf, arm-linux-gnueabihf-gcc, arm-linux-gnuea...	6m 59s
benchmark	6m 1s
Release	0s
	55m 40s

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