Bump shakapacker from 7.0.2 to 7.0.3

Bumps [shakapacker](https://github.com/shakacode/shakapacker) from 7.0.2 to 7.0.3.
- [Changelog](https://github.com/shakacode/shakapacker/blob/master/CHANGELOG.md)
- [Commits](https://github.com/shakacode/shakapacker/compare/v7.0.2...v7.0.3)

---
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

@@ -39,7 +39,7 @@
     "rails-erb-loader": "usabilityhub/rails-erb-loader#master",
     "sass": "^1.65.1",
     "sass-loader": "^13.3.2",
-    "shakapacker": "7.0.2",
+    "shakapacker": "7.0.3",
     "sortablejs": "^1.15.0",
     "sorttable": "^1.0.2",
     "style-loader": "^3.3.3",