chore(deps): bump sha2 from 0.10.9 to 0.11.0 in /bots/echidnabot (#44)

Bumps [sha2](https://github.com/RustCrypto/hashes) from 0.10.9 to 0.11.0.
- [Commits](RustCrypto/hashes@sha2-v0.10.9...sha2-v0.11.0)

---
updated-dependencies:
- dependency-name: sha2
  dependency-version: 0.11.0
  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

@@ -60,7 +60,7 @@ rand = "0.9"
 
 # Crypto for webhook verification
 hmac = "0.12"
-sha2 = "0.10"
+sha2 = "0.11"
 hex = "0.4"
 
 # CLI