Bump @types/pngjs from 6.0.2 to 6.0.3

Bumps [@types/pngjs](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/pngjs) from 6.0.2 to 6.0.3.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/pngjs)

---
updated-dependencies:
- dependency-name: "@types/pngjs"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -65,7 +65,7 @@
     "@types/node": "^20.8.3",
     "@types/offscreencanvas": "^2019.7.1",
     "@types/pixelmatch": "^5.2.4",
-    "@types/pngjs": "^6.0.2",
+    "@types/pngjs": "^6.0.3",
     "@types/react": "^18.2.28",
     "@types/react-dom": "^18.2.13",
     "@types/request": "^2.48.11",