Bump sinatra from 4.0.0 to 4.1.0 in /webapp/ruby

Bumps [sinatra](https://github.com/sinatra/sinatra) from 4.0.0 to 4.1.0.
- [Changelog](https://github.com/sinatra/sinatra/blob/main/CHANGELOG.md)
- [Commits](sinatra/sinatra@v4.0.0...v4.1.0)

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

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

webapp/ruby/Gemfile.lock

@@ -3,8 +3,9 @@ GEM
   specs:
     base64 (0.2.0)
     bcrypt (3.1.20)
+    logger (1.6.1)
     multi_json (1.15.0)
-    mustermann (3.0.0)
+    mustermann (3.0.3)
       ruby2_keywords (~> 0.0.1)
     mysql2 (0.5.6)
     mysql2-cs-bind (0.1.1)
@@ -13,27 +14,29 @@ GEM
     puma (6.4.3)
       nio4r (~> 2.0)
     rack (3.1.8)
-    rack-protection (4.0.0)
+    rack-protection (4.1.0)
       base64 (>= 0.1.0)
+      logger (>= 1.6.0)
       rack (>= 3.0.0, < 4)
     rack-session (2.0.0)
       rack (>= 3.0.0)
     rackup (2.2.1)
       rack (>= 3)
     ruby2_keywords (0.0.5)
-    sinatra (4.0.0)
+    sinatra (4.1.0)
+      logger (>= 1.6.0)
       mustermann (~> 3.0)
       rack (>= 3.0.0, < 4)
-      rack-protection (= 4.0.0)
+      rack-protection (= 4.1.0)
       rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
-    sinatra-contrib (4.0.0)
+    sinatra-contrib (4.1.0)
       multi_json (>= 0.0.2)
       mustermann (~> 3.0)
-      rack-protection (= 4.0.0)
-      sinatra (= 4.0.0)
+      rack-protection (= 4.1.0)
+      sinatra (= 4.1.0)
       tilt (~> 2.0)
-    tilt (2.3.0)
+    tilt (2.4.0)
 
 PLATFORMS
   ruby