chore: Bump pngjs from 6.0.0 to 7.0.0 (#1504)

Bumps [pngjs](https://github.com/pngjs/pngjs) from 6.0.0 to 7.0.0.
- [Release notes](https://github.com/pngjs/pngjs/releases)
- [Changelog](https://github.com/pngjs/pngjs/blob/main/CHANGELOG.md)
- [Commits](https://github.com/pngjs/pngjs/commits)

---
updated-dependencies:
- dependency-name: pngjs
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -158,7 +158,7 @@
     "mocha-junit-reporter": "^2.0.0",
     "mocha-multi-reporters": "^1.1.7",
     "pem": "^1.14.4",
-    "pngjs": "^6.0.0",
+    "pngjs": "^7.0.0",
     "pre-commit": "^1.1.3",
     "prettier": "^2.7.1",
     "semantic-release": "^20.0.2",