Bump sinatra from 3.0.6 to 3.2.0 (#348)

Bumps [sinatra](https://github.com/sinatra/sinatra) from 3.0.6 to 3.2.0.
- [Changelog](https://github.com/sinatra/sinatra/blob/main/CHANGELOG.md)
- [Commits](sinatra/sinatra@v3.0.6...v3.2.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: jheikes515 <[email protected]>

Gemfile.lock

@@ -1,6 +1,7 @@
 GEM
   remote: http://rubygems.org/
   specs:
+    base64 (0.2.0)
     concurrent-ruby (1.2.2)
     daemons (1.4.1)
     eventmachine (1.2.7)
@@ -9,22 +10,23 @@ GEM
     maruku (0.7.3)
     mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
-    rack (2.2.7)
-    rack-protection (3.0.6)
-      rack
+    rack (2.2.8)
+    rack-protection (3.2.0)
+      base64 (>= 0.1.0)
+      rack (~> 2.2, >= 2.2.4)
     rack-ssl-enforcer (0.2.9)
     rexml (3.2.5)
     ruby2_keywords (0.0.5)
-    sinatra (3.0.6)
+    sinatra (3.2.0)
       mustermann (~> 3.0)
       rack (~> 2.2, >= 2.2.4)
-      rack-protection (= 3.0.6)
+      rack-protection (= 3.2.0)
       tilt (~> 2.0)
     thin (1.8.2)
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
-    tilt (2.1.0)
+    tilt (2.3.0)
 
 PLATFORMS
   ruby