Bump simplejson from 3.20.1 to 3.20.2 (#699)

Bumps [simplejson](https://github.com/simplejson/simplejson) from 3.20.1 to 3.20.2.
- [Release notes](https://github.com/simplejson/simplejson/releases)
- [Changelog](https://github.com/simplejson/simplejson/blob/master/CHANGES.txt)
- [Commits](https://github.com/simplejson/simplejson/compare/v3.20.1...v3.20.2)

---
updated-dependencies:
- dependency-name: simplejson
  dependency-version: 3.20.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Donncha Ó Cearbhaill <donncha.ocearbhaill@amnesty.org>

pyproject.toml

@@ -21,7 +21,7 @@ dependencies = [
     "rich==14.1.0",
     "tld==0.13.1",
     "requests==2.32.5",
-    "simplejson==3.20.1",
+    "simplejson==3.20.2",
     "packaging==25.0",
     "appdirs==1.4.4",
     "iOSbackup==0.9.925",