Update anishathalye/proof-html action to v1.4.2 (#13)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[anishathalye/proof-html](https://redirect.github.com/anishathalye/proof-html)
| action | minor | `v1.1.0` -> `v1.4.2` |

---

### Release Notes

<details>
<summary>anishathalye/proof-html (anishathalye/proof-html)</summary>

###
[`v1.4.2`](https://redirect.github.com/anishathalye/proof-html/compare/v1.4.1...v1.4.2)

[Compare
Source](https://redirect.github.com/anishathalye/proof-html/compare/v1.4.1...v1.4.2)

###
[`v1.4.1`](https://redirect.github.com/anishathalye/proof-html/compare/v1.4.0...v1.4.1)

[Compare
Source](https://redirect.github.com/anishathalye/proof-html/compare/v1.4.0...v1.4.1)

###
[`v1.4.0`](https://redirect.github.com/anishathalye/proof-html/compare/v1.3.0...v1.4.0)

[Compare
Source](https://redirect.github.com/anishathalye/proof-html/compare/v1.3.0...v1.4.0)

###
[`v1.3.0`](https://redirect.github.com/anishathalye/proof-html/compare/v1.2.0...v1.3.0)

[Compare
Source](https://redirect.github.com/anishathalye/proof-html/compare/v1.2.0...v1.3.0)

###
[`v1.2.0`](https://redirect.github.com/anishathalye/proof-html/releases/tag/v1.2.0)

[Compare
Source](https://redirect.github.com/anishathalye/proof-html/compare/v1.1.0...v1.2.0)

proof-html 1.2.0

</details>

---

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---

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---

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Author: sharonstout1981

.github/workflows/proof-html.yml

@@ -6,6 +6,6 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: anishathalye/proof-html@v1.1.0
+      - uses: anishathalye/proof-html@v1.4.2
         with:
           directory: ./