test: mark SEA tests flaky on linux arm debug #7667

Job	Run time
Build slim tarball	1m 26s
aarch64-linux: Cache V8 build	22s
x86_64-linux: with shared libraries	28m 2s
x86_64-darwin: with shared libraries	44m 8s
aarch64-darwin: with shared libraries	23m 56s
aarch64-linux: with shared boringssl-0.20260508.0	23m 36s
aarch64-linux: with shared openssl-4.0.0	23m 50s
aarch64-linux: with shared openssl-1.1.1w	22m 45s
aarch64-linux: with shared openssl-3.0.20	23m 53s
aarch64-linux: with shared openssl-3.5.6	23m 48s
aarch64-linux: with shared openssl-3.6.2	22m 23s
	3h 58m 9s

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