Upgrade HTTP header field-line parser #3764

Job	Run time
source-maintenance-tests	9m 25s
functionality-tests	7m 37s
CodeQL-tests	23m 16s
build-tests(ubuntu-22.04,gcc,default)	2m 42s
build-tests(ubuntu-22.04,gcc,minimal)	2m 43s
build-tests(ubuntu-22.04,gcc,maximus)	2m 42s
build-tests(ubuntu-22.04,clang,default)	2m 43s
build-tests(ubuntu-22.04,clang,minimal)	2m 44s
build-tests(ubuntu-22.04,clang,maximus)	2m 45s
build-tests(macos-14,clang,default)	2m 45s
build-tests(macos-14,clang,minimal)	2m 28s
build-tests(macos-14,clang,maximus)	2m 46s
	1h 4m 36s

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