Bump sinatra-contrib and sinatra

Bumps [sinatra-contrib](https://github.com/sinatra/sinatra) and [sinatra](https://github.com/sinatra/sinatra). These dependencies needed to be updated together.

Updates `sinatra-contrib` from 2.2.4 to 4.0.0
- [Changelog](https://github.com/sinatra/sinatra/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sinatra/sinatra/compare/v2.2.4...v4.0.0)

Updates `sinatra` from 2.2.4 to 4.0.0
- [Changelog](https://github.com/sinatra/sinatra/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sinatra/sinatra/compare/v2.2.4...v4.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -1,6 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    base64 (0.2.0)
     coderay (1.1.3)
     erubis (2.7.0)
     flickr-login (0.0.3)
@@ -9,7 +10,7 @@ GEM
     method_source (1.0.0)
     mini_portile2 (2.8.5)
     multi_json (1.15.0)
-    mustermann (2.0.2)
+    mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
     oauth (0.5.6)
     pry (0.14.2)
@@ -18,30 +19,34 @@ GEM
     pry-doc (1.5.0)
       pry (~> 0.11)
       yard (~> 0.9.11)
-    rack (2.2.6.4)
-    rack-protection (2.2.4)
-      rack
+    rack (3.0.8)
+    rack-protection (4.0.0)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0, < 4)
+    rack-session (2.0.0)
+      rack (>= 3.0.0)
     ruby2_keywords (0.0.5)
     sequel (5.42.0)
     sequel_enum (0.2.0)
       sequel
-    sinatra (2.2.4)
-      mustermann (~> 2.0)
-      rack (~> 2.2)
-      rack-protection (= 2.2.4)
+    sinatra (4.0.0)
+      mustermann (~> 3.0)
+      rack (>= 3.0.0, < 4)
+      rack-protection (= 4.0.0)
+      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 (4.0.0)
+      multi_json (>= 0.0.2)
+      mustermann (~> 3.0)
+      rack-protection (= 4.0.0)
+      sinatra (= 4.0.0)
       tilt (~> 2.0)
     sinatra-sequel (0.9.0)
       sequel (>= 3.2.0)
       sinatra (>= 0.9.4)
     sqlite3 (1.7.0)
       mini_portile2 (~> 2.8.0)
-    tilt (2.0.11)
+    tilt (2.3.0)
     yard (0.9.34)
 
 PLATFORMS