fix: Gemfile & Gemfile.lock to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-RUBY-RACK-1061917

Gemfile

@@ -67,7 +67,7 @@ group :development, :test do
   gem 'byebug', platform: :mri
   gem 'dotenv-rails'
   gem 'rspec'
-  gem 'rspec-rails', '>= 6.0.2'
+  gem 'rspec-rails', '>= 6.0.4'
 end
 
 group :development do

Gemfile.lock

@@ -220,7 +220,7 @@ GEM
       activesupport (>= 4)
       railties (>= 4)
       request_store (~> 1.0)
-    loofah (2.21.3)
+    loofah (2.22.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     mail (2.8.1)
@@ -231,7 +231,7 @@ GEM
     marcel (1.0.2)
     method_source (1.0.0)
     mini_mime (1.1.5)
-    mini_portile2 (2.8.4)
+    mini_portile2 (2.8.5)
     minitest (5.20.0)
     minitest-stub_any_instance (1.0.3)
     multi_json (1.15.0)
@@ -246,10 +246,10 @@ GEM
     net-smtp (0.3.3)
       net-protocol
     nio4r (2.5.9)
-    nokogiri (1.15.4)
+    nokogiri (1.15.5)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.15.4-x86_64-linux)
+    nokogiri (1.15.5-x86_64-linux)
       racc (~> 1.4)
     oauth (0.5.14)
     oauthenticator (1.4.1)
@@ -268,7 +268,7 @@ GEM
     public_suffix (5.0.3)
     puma (6.3.1)
       nio4r (~> 2.0)
-    racc (1.7.1)
+    racc (1.7.3)
     rack (2.2.8)
     rack-test (2.1.0)
       rack (>= 1.3)
@@ -301,7 +301,7 @@ GEM
       rake (>= 12.2)
       thor (~> 1.0)
     rainbow (3.1.1)
-    rake (13.0.6)
+    rake (13.1.0)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -333,7 +333,7 @@ GEM
     rspec-mocks (3.12.6)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
-    rspec-rails (6.0.3)
+    rspec-rails (6.1.0)
       actionpack (>= 6.1)
       activesupport (>= 6.1)
       railties (>= 6.1)
@@ -395,7 +395,7 @@ GEM
       tins (~> 1.0)
     terser (1.1.17)
       execjs (>= 0.3.0, < 3)
-    thor (1.2.2)
+    thor (1.3.0)
     tilt (2.2.0)
     timeout (0.4.0)
     tins (1.32.1)
@@ -423,7 +423,7 @@ GEM
     websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
-    zeitwerk (2.6.11)
+    zeitwerk (2.6.12)
 
 PLATFORMS
   ruby
@@ -462,7 +462,7 @@ DEPENDENCIES
   remote_syslog_logger
   repost (~> 0.3.8)
   rspec
-  rspec-rails (>= 6.0.2)
+  rspec-rails (>= 6.0.4)
   rubocop (~> 1.54)
   rubocop-rails (~> 2.21, >= 2.21.0)
   sass-rails (>= 6.0.0)
@@ -474,3 +474,6 @@ DEPENDENCIES
   tzinfo-data
   web-console (>= 4.2.1)
   webmock
+
+BUNDLED WITH
+   2.1.4