Bump better_errors from 2.8.3 to 2.9.1 (#11425)

* Bump better_errors from 2.8.3 to 2.9.1

Bumps [better_errors](https://github.com/BetterErrors/better_errors) from 2.8.3 to 2.9.1.
- [Release notes](https://github.com/BetterErrors/better_errors/releases)
- [Commits](https://github.com/BetterErrors/better_errors/compare/v2.8.3...v2.9.1)

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

* Bump better_errors from 2.8.3 to 2.9.1 (Update vendor/cache)

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Gemfile

@@ -111,7 +111,7 @@ gem "wcag_color_contrast", "~> 0.1" # Detect contrast of colors to determine rea
 gem "webpacker", "~> 5.2.1" # Use webpack to manage app-like JavaScript modules in Rails
 
 group :development do
-  gem "better_errors", "~> 2.8" # Provides a better error page for Rails and other Rack apps
+  gem "better_errors", "~> 2.9" # Provides a better error page for Rails and other Rack apps
   gem "binding_of_caller", "~> 0.8" # Retrieve the binding of a method's caller
   gem "brakeman", "~> 4.10", require: false # Brakeman detects security vulnerabilities in Ruby on Rails applications via static analysis
   gem "bundler-audit", "~> 0.7" # bundler-audit provides patch-level verification for Bundled apps

Gemfile.lock

@@ -110,7 +110,7 @@ GEM
       thread_safe (~> 0.3, >= 0.3.1)
     bcrypt (3.1.16)
     benchmark-ips (2.8.3)
-    better_errors (2.8.3)
+    better_errors (2.9.1)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
@@ -848,7 +848,7 @@ DEPENDENCIES
   amazing_print (~> 1.2)
   ancestry (~> 3.2)
   approvals (~> 0.0)
-  better_errors (~> 2.8)
+  better_errors (~> 2.9)
   binding_of_caller (~> 0.8)
   blazer (~> 2.2.8)
   bootsnap (>= 1.1.0)