chore(dart): update dart version in oryd/sdk (ory#261)

fix(dotnet): use 5.0 channel

Add spec for client:v0.0.1-alpha.185

feat: generate openapi 3.0 client for oathkeeper (ory#146)

fix: add pkg-config (ory#125)

fix: move to dart-dio

fix: add ruby-dev to deps

feat: add bundle

ci: bump image

fix: re-add maven