Bump shakapacker from 6.5.2 to 6.5.3

Bumps [shakapacker](https://github.com/shakacode/shakapacker) from 6.5.2 to 6.5.3.
- [Release notes](https://github.com/shakacode/shakapacker/releases)
- [Changelog](https://github.com/shakacode/shakapacker/blob/master/CHANGELOG.md)
- [Commits](https://github.com/shakacode/shakapacker/compare/v6.5.2...v6.5.3)

---
updated-dependencies:
- dependency-name: shakapacker
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -36,7 +36,7 @@
     "rails-erb-loader": "^5.5.2",
     "sass": "^1.55.0",
     "sass-loader": "^13.1.0",
-    "shakapacker": "6.5.2",
+    "shakapacker": "6.5.3",
     "sortablejs": "^1.15.0",
     "sorttable": "^1.0.2",
     "style-loader": "^3.3.1",