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>

Gemfile.lock

@@ -447,7 +447,7 @@ GEM
     sentry-ruby (5.10.0)
       concurrent-ruby (~> 1.0, >= 1.0.2)
     set (1.0.3)
-    shakapacker (7.0.2)
+    shakapacker (7.0.3)
       activesupport (>= 5.2)
       rack-proxy (>= 0.6.1)
       railties (>= 5.2)
@@ -605,7 +605,7 @@ DEPENDENCIES
   selenium-webdriver
   sentry-rails
   sentry-ruby
-  shakapacker (= 7.0.2)
+  shakapacker (= 7.0.3)
   shoulda-matchers
   simplecov
   slim-rails