Bump nunjucks from 3.2.1 to 3.2.4

Bumps [nunjucks](https://github.com/mozilla/nunjucks) from 3.2.1 to 3.2.4.
- [Release notes](https://github.com/mozilla/nunjucks/releases)
- [Changelog](https://github.com/mozilla/nunjucks/blob/master/CHANGELOG.md)
- [Commits](mozilla/nunjucks@v3.2.1...v3.2.4)

---
updated-dependencies:
- dependency-name: nunjucks
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -38,7 +38,7 @@
         "@actions/core": "^1.2.4",
         "@actions/github": "^2.1.1",
         "npm-check-updates": "^4.1.2",
-        "nunjucks": "^3.2.1"
+        "nunjucks": "^3.2.4"
     },
     "devDependencies": {
         "@typescript-eslint/eslint-plugin": "^2.31.0",