Bump anishathalye/proof-html from 2.1.3 to 2.1.4

Bumps [anishathalye/proof-html](https://github.com/anishathalye/proof-html) from 2.1.3 to 2.1.4.
- [Release notes](https://github.com/anishathalye/proof-html/releases)
- [Commits](anishathalye/proof-html@v2.1.3...v2.1.4)

---
updated-dependencies:
- dependency-name: anishathalye/proof-html
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/proof-html.yml

@@ -6,6 +6,6 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: anishathalye/proof-html@v2.1.3
+      - uses: anishathalye/proof-html@v2.1.4
         with:
           directory: ./