fix for zig 0.12.0 #164

Job	Run time
create-container	47s
macos-with-openssl	9m 0s
test (ubuntu-latest)	35s
fmt	27s
test (macos-latest)	2m 37s
client-e2e-test-with-openssl	4m 38s
server-e2e-test-with-openssl	43s
client-test-stress (TLS_AES_128_GCM_SHA256)	7m 59s
client-test-stream (TLS_AES_128_GCM_SHA256)	1m 27s
client-test-stress (TLS_AES_256_GCM_SHA384)	7m 42s
client-test-stream (TLS_AES_256_GCM_SHA384)	5m 36s
server-test-stream	1m 39s
client-test-stress (TLS_CHACHA20_POLY1305_SHA256)	7m 43s
client-test-stream (TLS_CHACHA20_POLY1305_SHA256)	1m 14s
server-test-stress	10m 21s
	1h 2m 28s

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