Bump @11ty/eleventy from 2.0.1 to 3.1.2

Bumps [@11ty/eleventy](https://github.com/11ty/eleventy) from 2.0.1 to 3.1.2.
- [Release notes](https://github.com/11ty/eleventy/releases)
- [Changelog](https://github.com/11ty/eleventy/blob/main/docs/release-instructions.md)
- [Commits](https://github.com/11ty/eleventy/compare/v2.0.1...v3.1.2)

---
updated-dependencies:
- dependency-name: "@11ty/eleventy"
  dependency-version: 3.1.2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -37,7 +37,7 @@
   },
   "homepage": "https://github.com/h5bp/Front-end-Developer-Interview-Questions#readme",
   "devDependencies": {
-    "@11ty/eleventy": "^2.0.1",
+    "@11ty/eleventy": "^3.1.2",
     "@11ty/eleventy-plugin-syntaxhighlight": "^5.0.0",
     "all-contributors-cli": "^6.26.1",
     "clean-css": "^5.3.3",