chore(deps): bump octocrab from 0.49.9 to 0.50.0 in /bots/echidnabot (#119)

Bumps [octocrab](https://github.com/XAMPPRocky/octocrab) from 0.49.9 to 0.50.0.
- [Release notes](https://github.com/XAMPPRocky/octocrab/releases)
- [Changelog](https://github.com/XAMPPRocky/octocrab/blob/main/CHANGELOG.md)
- [Commits](XAMPPRocky/octocrab@v0.49.9...v0.50.0)

---
updated-dependencies:
- dependency-name: octocrab
  dependency-version: 0.50.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

bots/echidnabot/Cargo.lock

@@ -43,7 +43,7 @@ toml = "1.1"
 sqlx = { version = "0.8.1", features = ["runtime-tokio-rustls", "sqlite", "postgres", "uuid", "chrono"] }
 
 # GitHub API
-octocrab = "0.49"
+octocrab = "0.50"
 
 # HTTP client (for ECHIDNA communication)
 reqwest = { version = "0.12", default-features = false, features = ["json", "rustls-tls"] }