http2: validate non-link headers in writeEarlyHints #6749

Job	Run time
Build slim tarball	1m 40s
x86_64-darwin: with shared libraries	43m 9s
x86_64-linux: with shared libraries	24m 0s
aarch64-darwin: with shared libraries	21m 45s
aarch64-linux: Cache V8 build	19s
aarch64-linux: with shared openssl-3.5.5	21m 34s
aarch64-linux: with shared openssl-3.0.19	21m 50s
aarch64-linux: with shared openssl-1.1.1w	21m 20s
aarch64-linux: with shared boringssl-0.20260413.0	21m 15s
aarch64-linux: with shared openssl-4.0.0	21m 19s
aarch64-linux: with shared openssl-3.6.1	20m 58s
	3h 39m 9s

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