[cicd] reduce parallelism to cut down on costs
[cicd] reduce parallelism to cut down on costs

e2e tests take about 40 minutes total and about 15 minutes to setup:
1 runner -- 55 minutes
2 runners -- 35 minutes
3 runners -- 28 minutes

the better approach is to figure out how to clean up the shell script to
run two jobs at a time...

while the unit tests  can take up to an hour, they normally run really
quickly thanks to nextest

benchmarks take forever to compile and shouldn't be using non-standard
interfaces, so disabling just because

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