Bump webpacker from 5.2.1 to 5.3.0 (#13555)

Bumps [webpacker](https://github.com/rails/webpacker) from 5.2.1 to 5.3.0.
- [Release notes](https://github.com/rails/webpacker/releases)
- [Changelog](https://github.com/rails/webpacker/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rails/webpacker/compare/v5.2.1...v5.3.0)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -115,7 +115,7 @@ gem "ulid", "~> 1.3" # Universally Unique Lexicographically Sortable Identifier
 gem "validate_url", "~> 1.0" # Library for validating urls in Rails
 gem "vault", "~> 0.16" # Used to store secrets
 gem "wcag_color_contrast", "~> 0.1" # Detect contrast of colors to determine readability and a11y.
-gem "webpacker", "~> 5.2.1" # Use webpack to manage app-like JavaScript modules in Rails
+gem "webpacker", "~> 5.3.0" # Use webpack to manage app-like JavaScript modules in Rails
 
 group :development do
   gem "better_errors", "~> 2.9" # Provides a better error page for Rails and other Rack apps

Gemfile.lock

@@ -834,7 +834,7 @@ GEM
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    webpacker (5.2.1)
+    webpacker (5.3.0)
       activesupport (>= 5.2)
       rack-proxy (>= 0.6.1)
       railties (>= 5.2)
@@ -1007,7 +1007,7 @@ DEPENDENCIES
   web-console (~> 4.1)
   webdrivers (~> 4.6)
   webmock (~> 3.12)
-  webpacker (~> 5.2.1)
+  webpacker (~> 5.3.0)
   yard (~> 0.9.26)
   yard-activerecord (~> 0.0.16)
   yard-activesupport-concern (~> 0.0.1)