Bump rack-attack from 6.5.0 to 6.6.0 (#16372)

Bumps [rack-attack](https://github.com/rack/rack-attack) from 6.5.0 to 6.6.0.
- [Release notes](https://github.com/rack/rack-attack/releases)
- [Changelog](https://github.com/rack/rack-attack/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rack/rack-attack/compare/v6.5.0...v6.6.0)

---
updated-dependencies:
- dependency-name: rack-attack
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

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

Gemfile

@@ -74,7 +74,7 @@ gem "pg_search", "~> 2.3.6" # PgSearch builds Active Record named scopes that ta
 gem "pghero", "~> 2.8" # Dashboard for Postgres
 gem "puma", "~> 5.6.1" # Puma is a simple, fast, threaded, and highly concurrent HTTP 1.1 server
 gem "pundit", "~> 2.1" # Object oriented authorization for Rails applications
-gem "rack-attack", "~> 6.5.0" # Used to throttle requests to prevent brute force attacks
+gem "rack-attack", "~> 6.6.0" # Used to throttle requests to prevent brute force attacks
 gem "rack-cors", "~> 1.1" # Middleware that will make Rack-based apps CORS compatible
 gem "rack-timeout", "~> 0.6" # Rack middleware which aborts requests that have been running for longer than a specified timeout
 gem "rails", "~> 6.1.4" # Ruby on Rails

Gemfile.lock

@@ -572,7 +572,7 @@ GEM
     raabro (1.4.0)
     racc (1.6.0)
     rack (2.2.3)
-    rack-attack (6.5.0)
+    rack-attack (6.6.0)
       rack (>= 1.0, < 3)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
@@ -991,7 +991,7 @@ DEPENDENCIES
   puma (~> 5.6.1)
   pundit (~> 2.1)
   pundit-matchers (~> 1.7)
-  rack-attack (~> 6.5.0)
+  rack-attack (~> 6.6.0)
   rack-cors (~> 1.1)
   rack-host-redirect (~> 1.3)
   rack-timeout (~> 0.6)