Merge pull request #21 from Loumaris/dependabot/bundler/sinatra-2.2.1

Bump sinatra from 2.2.0 to 2.2.1

Gemfile.lock

@@ -16,7 +16,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2022.0105)
     multi_json (1.15.0)
-    mustermann (1.1.1)
+    mustermann (1.1.2)
       ruby2_keywords (~> 0.0.1)
     netrc (0.11.0)
     parallel (1.22.1)
@@ -25,8 +25,8 @@ GEM
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    rack (2.2.3)
-    rack-protection (2.2.0)
+    rack (2.2.4)
+    rack-protection (2.2.1)
       rack
     rack-ssl (1.4.1)
       rack
@@ -55,16 +55,16 @@ GEM
     ruby2_keywords (0.0.5)
     shotgun (0.9.2)
       rack (>= 1.0)
-    sinatra (2.2.0)
+    sinatra (2.2.1)
       mustermann (~> 1.0)
       rack (~> 2.2)
-      rack-protection (= 2.2.0)
+      rack-protection (= 2.2.1)
       tilt (~> 2.0)
-    sinatra-contrib (2.2.0)
+    sinatra-contrib (2.2.1)
       multi_json
       mustermann (~> 1.0)
-      rack-protection (= 2.2.0)
-      sinatra (= 2.2.0)
+      rack-protection (= 2.2.1)
+      sinatra (= 2.2.1)
       tilt (~> 2.0)
     slim (4.1.0)
       temple (>= 0.7.6, < 0.9)