chore(deps): bump pypandoc from 1.12 to 1.16.2

Bumps [pypandoc](https://github.com/JessicaTegner/pypandoc) from 1.12 to 1.16.2.
- [Release notes](https://github.com/JessicaTegner/pypandoc/releases)
- [Changelog](https://github.com/JessicaTegner/pypandoc/blob/master/release.md)
- [Commits](JessicaTegner/pypandoc@v1.12...v1.16.2)

---
updated-dependencies:
- dependency-name: pypandoc
  dependency-version: 1.16.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -53,7 +53,7 @@ dependencies = [
     "sorl-thumbnail==12.11.0",
     "django-extensions==3.2.3",
     "django-import-export==2.7.1",
-    "pypandoc==1.12",
+    "pypandoc==1.16.2",
     "panflute==2.3.1",
     "Unidecode==1.4.0",
 ]