chore(deps): bump pulldown-cmark in /bots/finishingbot (#38)

Bumps [pulldown-cmark](https://github.com/raphlinus/pulldown-cmark) from 0.12.2 to 0.13.3.
- [Release notes](https://github.com/raphlinus/pulldown-cmark/releases)
- [Commits](pulldown-cmark/pulldown-cmark@v0.12.2...v0.13.3)

---
updated-dependencies:
- dependency-name: pulldown-cmark
  dependency-version: 0.13.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

bots/finishingbot/Cargo.lock

@@ -49,7 +49,7 @@ sha2 = "0.11"
 hex = "0.4"
 
 # Markdown parsing (for claim verification)
-pulldown-cmark = "0.12"
+pulldown-cmark = "0.13"
 
 # Date/time
 chrono = { version = "0.4", features = ["serde"] }