Migrate shakapacker from 7.2.3 to 8.0.0

Bumps [shakapacker](https://github.com/shakacode/shakapacker) from 7.2.3 to 8.0.0.
- [Changelog](https://github.com/shakacode/shakapacker/blob/main/CHANGELOG.md)
- [Commits](https://github.com/shakacode/shakapacker/compare/v7.2.3...v8.0.0)

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

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

package.json

@@ -42,7 +42,7 @@
     "rails-erb-loader": "usabilityhub/rails-erb-loader#master",
     "sass": "^1.77.2",
     "sass-loader": "^14.2.1",
-    "shakapacker": "7.2.3",
+    "shakapacker": "8.0.0",
     "sortablejs": "^1.15.2",
     "sorttable": "^1.0.2",
     "style-loader": "^4.0.0",