Bump peter-evans/repository-dispatch from 3.0.0 to 4.0.0 (#6281)

Bumps [peter-evans/repository-dispatch](https://github.com/peter-evans/repository-dispatch) from 3.0.0 to 4.0.0.
- [Release notes](https://github.com/peter-evans/repository-dispatch/releases)
- [Commits](https://github.com/peter-evans/repository-dispatch/compare/ff45666b9427631e3450c54a1bcbee4d9ff4d7c0...5fc4efd1a4797ddb68ffd0714a238564e4cc0e6f)

---
updated-dependencies:
- dependency-name: peter-evans/repository-dispatch
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/post-release.yml

@@ -74,7 +74,7 @@ jobs:
         id: parse_checksum
         run: echo "checksum=$(grep -o '[a-fA-F0-9]\{64\}' Package.swift)" >> "$GITHUB_OUTPUT"
       - name: Dispatch release of plugins package
-        uses: peter-evans/repository-dispatch@ff45666b9427631e3450c54a1bcbee4d9ff4d7c0 # v3.0.0
+        uses: peter-evans/repository-dispatch@5fc4efd1a4797ddb68ffd0714a238564e4cc0e6f # v4.0.0
         with:
           token: ${{ secrets.SIMPLYDANNY_PLUGINS_SYNC }}
           repository: SimplyDanny/SwiftLintPlugins