Bump sinatra from `2b5d1b4` to `83d9176` (#521)
Bump sinatra from `2b5d1b4` to `83d9176` (#521)

Bumps [sinatra](https://github.com/sinatra/sinatra) from `2b5d1b4` to `83d9176`.
- [Release notes](https://github.com/sinatra/sinatra/releases)
- [Commits](https://github.com/sinatra/sinatra/compare/2b5d1b45097f67c06a2345f0d8c30db2b38030bf...83d917649b5a9fc4d45a84d6bec7b65f86848078)

---
updated-dependencies:
- dependency-name: sinatra
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
mskog/broad,mskog/broad