In 8.8 OpenSSH disabled sha1 rsa-sha keys out of the box,
so we need to re-enable them as a workaround for the test
suite until upstream updates the tests.

See: https://github.com/libssh2/libssh2/issues/630

--- tests/ssh2.sh
+++ tests/ssh2.sh
@@ -25,7 +25,8 @@ $SSHD -f /dev/null -h "$srcdir"/etc/host
     -o 'Port 4711' \
     -o 'Protocol 2' \
     -o "AuthorizedKeysFile $srcdir/etc/user.pub" \
-    -o 'UsePrivilegeSeparation no' \
+    -o 'HostKeyAlgorithms +ssh-rsa' \
+    -o 'PubkeyAcceptedAlgorithms +ssh-rsa' \
     -o 'StrictModes no' \
     -D \
     $libssh2_sshd_params &