Fix build and tests for wolfSSL #570

Job	Run time
custom-install-linux	10s
custom-install-win	2m 44s
default-linux	10s
default-linux-with-examples	11s
default-win	1m 56s
min-req	1m 12s
no-base64	9s
no-pico	10s
preset-support-but-not-enough	12m 23s
root-hint-install-linux	8s
with-wolfssl	1m 0s
with-hunter	2m 59s
with-libressl	1m 24s
	24m 36s

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