Bump tsickert/discord-webhook from 5.2.0 to 5.3.0

Bumps [tsickert/discord-webhook](https://github.com/tsickert/discord-webhook) from 5.2.0 to 5.3.0.
- [Release notes](https://github.com/tsickert/discord-webhook/releases)
- [Commits](https://github.com/tsickert/discord-webhook/compare/v5.2.0...v5.3.0)

---
updated-dependencies:
- dependency-name: tsickert/discord-webhook
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/filtered_github_webhooks.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Discord Webhook Action
-      uses: tsickert/discord-webhook@v5.2.0
+      uses: tsickert/discord-webhook@v5.3.0
       with:
         webhook-url: ${{ secrets.DISCORD_WEBHOOK_URL }}
         username: GitHub