fix(sntp): Lock / Unlock LWIP if CONFIG_LWIP_TCPIP_CORE_LOCKING is set #2629

Job	Run time
Generate matrix	4s
Push event file	3s
Build (validation, esp32) / Build validation tests for esp32	4m 23s
Build (validation, esp32c3) / Build validation tests for esp32c3	3m 0s
Build (validation, esp32h2) / Build validation tests for esp32h2	2m 58s
Build (validation, esp32c6) / Build validation tests for esp32c6	3m 30s
Build (validation, esp32s3) / Build validation tests for esp32s3	5m 24s
Build (validation, esp32s2) / Build validation tests for esp32s2	3m 56s
QEMU	0s
Hardware	0s
	23m 18s

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