Add additional regress test for DoKexDhReply #900

Job	Run time
create_matrix	4s
Build wolfssl (ubuntu-latest, master)	4s
Build wolfssl (ubuntu-latest, v5.9.0-stable)	6s
Build wolfssl (ubuntu-latest, v5.9.1-stable)	5s
Build and test wolfsshd (ubuntu-latest, v5.9.1-stable)	44s
Build and test wolfsshd (ubuntu-latest, v5.9.0-stable)	45s
Build and test wolfsshd (ubuntu-latest, master)	46s
	2m 34s

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