Bump sinatra from `f77a0d0` to `26fa5c8`
Bump sinatra from `f77a0d0` to `26fa5c8`

Bumps [sinatra](https://github.com/sinatra/sinatra) from `f77a0d0` to `26fa5c8`.
- [Release notes](https://github.com/sinatra/sinatra/releases)
- [Commits](https://github.com/sinatra/sinatra/compare/f77a0d0baf62c634d089cbc2f0df60049002e247...26fa5c86220890a02cc0f070ddb2696d74a5b843)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
dwilkie/twilreapi,dwilkie/twilreapi