Bump brakeman from 4.8.0 to 4.8.1 (#7187)

Bumps [brakeman](https://github.com/presidentbeef/brakeman) from 4.8.0 to 4.8.1.
- [Release notes](https://github.com/presidentbeef/brakeman/releases)
- [Changelog](https://github.com/presidentbeef/brakeman/blob/master/CHANGES.md)
- [Commits](https://github.com/presidentbeef/brakeman/compare/v4.8.0...v4.8.1)

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

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

Gemfile

@@ -110,7 +110,7 @@ gem "webpacker", "~> 5.0.1" # Use webpack to manage app-like JavaScript modules
 group :development do
   gem "better_errors", "~> 2.6" # 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", "~> 4.7", require: false # Brakeman detects security vulnerabilities in Ruby on Rails applications via static analysis
+  gem "brakeman", "~> 4.8", require: false # Brakeman detects security vulnerabilities in Ruby on Rails applications via static analysis
   gem "bundler-audit", "~> 0.6" # bundler-audit provides patch-level verification for Bundled apps
   gem "derailed_benchmarks", "~> 1.7", require: false # A series of things you can use to benchmark a Rails or Ruby app
   gem "erb_lint", "~> 0.0.31", require: false # ERB Linter tool

Gemfile.lock

@@ -137,7 +137,7 @@ GEM
       safely_block (>= 0.1.1)
     bootsnap (1.4.6)
       msgpack (~> 1.0)
-    brakeman (4.8.0)
+    brakeman (4.8.1)
     browser (2.7.1)
     buffer (0.1.3)
       addressable
@@ -894,7 +894,7 @@ DEPENDENCIES
   binding_of_caller (~> 0.8)
   blazer (~> 2.2.1)
   bootsnap (>= 1.1.0)
-  brakeman (~> 4.7)
+  brakeman (~> 4.8)
   buffer (~> 0.1)
   bullet (~> 6.1)
   bundler-audit (~> 0.6)