chore(changelog-check): update to latest version with optimized package.json validation (MetaMask#6108)

## Explanation

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This PR updates the changelog-check workflow to use the latest version
from commit
[`fc6fe1a3fb591f6afa61f0dbbe7698bd50fab9c7`](MetaMask/github-tools@fc6fe1a)

## References

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## Changelog

<!--
THIS SECTION IS NO LONGER NEEDED.

The process for updating changelogs has changed. Please consult the
"Updating changelogs" section of the Contributing doc for more.
-->

## Checklist

- [ ] I've updated the test suite for new or updated code as appropriate
- [ ] I've updated documentation (JSDoc, Markdown, etc.) for new or
updated code as appropriate
- [ ] I've communicated my changes to consumers by [updating changelogs
for packages I've
changed](https://github.com/MetaMask/core/tree/main/docs/contributing.md#updating-changelogs),
highlighting breaking changes as necessary
- [ ] I've prepared draft pull requests for clients and consumer
packages to resolve any breaking changes

Author: cryptodev-2s

.github/workflows/changelog-check.yml

@@ -6,9 +6,9 @@ on:
 
 jobs:
   check_changelog:
-    uses: MetaMask/github-tools/.github/workflows/changelog-check.yml@85fffce169c0fd35028ecde6b38dfb3f932882ec
+    uses: MetaMask/github-tools/.github/workflows/changelog-check.yml@fc6fe1a3fb591f6afa61f0dbbe7698bd50fab9c7
     with:
-      action-sha: 85fffce169c0fd35028ecde6b38dfb3f932882ec
+      action-sha: fc6fe1a3fb591f6afa61f0dbbe7698bd50fab9c7
       base-branch: ${{ github.event.pull_request.base.ref }}
       head-ref: ${{ github.head_ref }}
       labels: ${{ toJSON(github.event.pull_request.labels) }}