CI: Decrease parlallelism in asan test job (#279)
CI: Decrease parlallelism in asan test job (#279)

(hopefully) fixes #272 by avoiding OOM

Signed-off-by: Otto van der Schaaf <f82e1104fcd8bfffc72e7185709f7902b0b97ebf@we-amp.com>
envoyproxy/nighthawk,envoyproxy/nighthawk,envoyproxy/nighthawk,envoyproxy/nighthawk