Bump shakapacker from 9.0.0.beta.3 to 9.0.0.beta.7

Bumps [shakapacker](https://github.com/shakacode/shakapacker) from 9.0.0.beta.3 to 9.0.0.beta.7.
- [Changelog](https://github.com/shakacode/shakapacker/blob/main/CHANGELOG.md)
- [Commits](https://github.com/shakacode/shakapacker/commits)

---
updated-dependencies:
- dependency-name: shakapacker
  dependency-version: 9.0.0.beta.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Gemfile

@@ -7,7 +7,7 @@ gem "rails", "~> 8.0.3"
 gem "pg", "~> 1.1"
 
 # React on Rails and Shakapacker for webpack integration
-gem "shakapacker", "9.0.0.beta.3"
+gem "shakapacker", "9.0.0.beta.7"
 gem "react_on_rails", "16.1.1"
 
 # Remove propshaft since we'll use shakapacker

Gemfile.lock

@@ -255,7 +255,7 @@ GEM
     ruby-progressbar (1.13.0)
     securerandom (0.4.1)
     semantic_range (3.1.0)
-    shakapacker (9.0.0.beta.3)
+    shakapacker (9.0.0.beta.7)
       activesupport (>= 5.2)
       package_json
       rack-proxy (>= 0.6.1)
@@ -304,7 +304,7 @@ DEPENDENCIES
   rails (~> 8.0.3)
   react_on_rails (= 16.1.1)
   rubocop-rails-omakase
-  shakapacker (= 9.0.0.beta.3)
+  shakapacker (= 9.0.0.beta.7)
   tzinfo-data
   web-console