Release Strata version 2.0.0-alpha.115.
Release Strata version 2.0.0-alpha.115.

 * Upgrade `interrupt` to `11.0.0-alpha.25`.
 * Upgrade `operation` to `6.0.0-alpha.12`.
 * Upgrade `writeahead` to `0.0.48`.
 * Upgrade `fracture` to `0.3.0-alpha.72`.
 * Upgrade `extant` to `^2.0.0-alpha.4`.
 * Upgrade `destructible` to `7.0.0-alpha.70`.
 * Upgrade `rescue` to `7.0.0-alpha.18`.
 * Upgrade `journalist` to `0.1.30`.
 * Upgrade `perhaps` to `0.0.12`.
 * Upgrade `turnstile` to `6.0.0-alpha.81`.

Closes #784.

bigeasy/strata,bigeasy/strata