Bump sinatra from 3.0.6 to 3.1.0

Bumps [sinatra](https://github.com/sinatra/sinatra) from 3.0.6 to 3.1.0.
- [Changelog](https://github.com/sinatra/sinatra/blob/main/CHANGELOG.md)
- [Commits](sinatra/sinatra@v3.0.6...v3.1.0)

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

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

Gemfile.lock

@@ -34,9 +34,9 @@ GEM
     oj (3.14.3)
     puma (6.3.0)
       nio4r (~> 2.0)
-    rack (2.2.7)
-    rack-protection (3.0.6)
-      rack
+    rack (2.2.8)
+    rack-protection (3.1.0)
+      rack (~> 2.2, >= 2.2.4)
     rack-test (2.1.0)
       rack (>= 1.3)
     redis (5.0.6)
@@ -62,10 +62,10 @@ GEM
       connection_pool (>= 2.3.0)
       rack (>= 2.2.4)
       redis-client (>= 0.14.0)
-    sinatra (3.0.6)
+    sinatra (3.1.0)
       mustermann (~> 3.0)
       rack (~> 2.2, >= 2.2.4)
-      rack-protection (= 3.0.6)
+      rack-protection (= 3.1.0)
       tilt (~> 2.0)
     thor (1.2.2)
     tilt (2.2.0)