Add support for DH type specific SPKI decoder #796

Job	Run time
build_wolfprovider (v5.8.0-stable, openssl-3.5.0) / Build wolfProvider	52s
build_wolfprovider (master, openssl-3.5.0) / Build wolfProvider	1m 26s
test_nginx (master, master, openssl-3.5.0)	9m 59s
test_nginx (master, v5.8.0-stable, openssl-3.5.0)	10m 3s
test_nginx (release-1.27.4, master, openssl-3.5.0)	10m 4s
test_nginx (release-1.27.4, v5.8.0-stable, openssl-3.5.0)	10m 5s
test_nginx (release-1.27.4, v5.8.0-stable, openssl-3.5.0, WOLFPROV_FORCE_FAIL=1)	7m 47s
test_nginx (release-1.27.4, master, openssl-3.5.0, WOLFPROV_FORCE_FAIL=1)	7m 54s
	58m 10s

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