Add hurd test target.

.github/configs

@@ -118,6 +118,9 @@ case "${TARGET_HOST}" in
 	# scp 3-way connection hangs on these so skip until sorted.
 	SKIP_LTESTS=scp3
 	;;
+    hurd)
+	SKIP_LTESTS="forwarding multiplex proxy-connect hostkey-agent"
+	;;
     minix3)
 	CC="clang"
 	LIBCRYPTOFLAGS="--without-openssl"

.github/workflows/selfhosted.yml

@@ -26,6 +26,7 @@ jobs:
           - fbsd10
           - fbsd12
           - fbsd13
+          - hurd
           - minix3
           # - nbsd2
           - nbsd3