[Security] Bump protobuf from 2.0.4 to 2.6.0 (#5)
[Security] Bump protobuf from 2.0.4 to 2.6.0 (#5)

Bumps [protobuf](https://github.com/stepancheg/rust-protobuf) from 2.0.4 to 2.6.0. **This update includes security fixes.**
- [Release notes](https://github.com/stepancheg/rust-protobuf/releases)
- [Changelog](https://github.com/stepancheg/rust-protobuf/blob/master/CHANGELOG.md)
- [Commits](https://github.com/stepancheg/rust-protobuf/compare/v2.0.4...v2.6.0)

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