Compare ebola scenarios

[pratikunterwegs]

This PR is WIP #221 and builds on #225 to allow outcomes_averted() to work with outputs from the Ebola model. Scenarios are matched to the baseline by the parameter set and replicate number.

[github-actions[bot]]

This is how benchmark results would change (along with a 95% confidence interval in relative change) if 42b87b0987663e54aa4b23d179933843adcd5e58 is merged into main:

• :heavy_check_mark:default_ode: 11.1ms -> 11ms [-3.25%, +0.91%]
• :exclamation::snail:default_ode_interventions: 98ms -> 99ms [+0.2%, +1.74%]
• :heavy_check_mark:default_ode_param_vec: 837ms -> 834ms [-0.77%, +0.1%]
• :heavy_check_mark:default_ode_paramvec_intervs: 6.25s -> 6.23s [-0.77%, +0.31%]
• :rocket:ebola: 566ms -> 562ms [-1.23%, -0.04%] Further explanation regarding interpretation and methodology can be found in the documentation.