Bump sinatra from 2.2.4 to 4.2.0

Bumps [sinatra](https://github.com/sinatra/sinatra) from 2.2.4 to 4.2.0.
- [Changelog](https://github.com/sinatra/sinatra/blob/main/CHANGELOG.md)
- [Commits](sinatra/sinatra@v2.2.4...v4.2.0)

---
updated-dependencies:
- dependency-name: sinatra
  dependency-version: 4.2.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Gemfile

@@ -3,7 +3,7 @@ source 'https://rubygems.org'
 gem 'rake'
 gem 'rack'
 
-gem 'sinatra', '~> 2.2'
+gem 'sinatra', '~> 4.2'
 gem 'sinatra-contrib'
 
 gem 'haml', '~> 5.0'

Gemfile.lock

@@ -1,18 +1,25 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    base64 (0.3.0)
     diff-lcs (1.5.0)
     haml (5.2.2)
       temple (>= 0.8.0)
       tilt
     kgio (2.11.4)
+    logger (1.7.0)
     multi_json (1.15.0)
-    mustermann (2.0.2)
+    mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
     net-ldap (0.17.1)
-    rack (2.2.19)
-    rack-protection (2.2.4)
-      rack
+    rack (3.2.3)
+    rack-protection (4.2.0)
+      base64 (>= 0.1.0)
+      logger (>= 1.6.0)
+      rack (>= 3.0.0, < 4)
+    rack-session (2.1.1)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0)
     raindrops (0.20.1)
     rake (13.0.6)
     rspec (3.12.0)
@@ -29,19 +36,21 @@ GEM
       rspec-support (~> 3.12.0)
     rspec-support (3.12.0)
     ruby2_keywords (0.0.5)
-    sinatra (2.2.4)
-      mustermann (~> 2.0)
-      rack (~> 2.2)
-      rack-protection (= 2.2.4)
+    sinatra (4.2.0)
+      logger (>= 1.6.0)
+      mustermann (~> 3.0)
+      rack (>= 3.0.0, < 4)
+      rack-protection (= 4.2.0)
+      rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
-    sinatra-contrib (2.2.4)
-      multi_json
-      mustermann (~> 2.0)
-      rack-protection (= 2.2.4)
-      sinatra (= 2.2.4)
+    sinatra-contrib (4.2.0)
+      multi_json (>= 0.0.2)
+      mustermann (~> 3.0)
+      rack-protection (= 4.2.0)
+      sinatra (= 4.2.0)
       tilt (~> 2.0)
     temple (0.10.0)
-    tilt (2.1.0)
+    tilt (2.6.1)
     unicorn (6.1.0)
       kgio (~> 2.6)
       raindrops (~> 0.7)
@@ -56,7 +65,7 @@ DEPENDENCIES
   rack
   rake
   rspec
-  sinatra (~> 2.2)
+  sinatra (~> 4.2)
   sinatra-contrib
   unicorn
   webrick