Upgrade sinatra and sinatra-contrib from 3.1.0 to 3.2.0 + related gems

Gemfile.lock

@@ -78,12 +78,13 @@ GEM
       pry (>= 0.13, < 0.15)
     racc (1.6.2)
     rack (2.2.8)
-    rack-protection (3.1.0)
+    rack-protection (3.2.0)
+      base64 (>= 0.1.0)
       rack (~> 2.2, >= 2.2.4)
     rack-ssl-enforcer (0.2.9)
     rack-test (2.1.0)
       rack (>= 1.3)
-    rake (13.0.6)
+    rake (13.1.0)
     redcarpet (3.6.0)
     rexml (3.2.6)
     rouge (1.11.1)
@@ -93,16 +94,16 @@ GEM
     ruby2_keywords (0.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
-    sinatra (3.1.0)
+    sinatra (3.2.0)
       mustermann (~> 3.0)
       rack (~> 2.2, >= 2.2.4)
-      rack-protection (= 3.1.0)
+      rack-protection (= 3.2.0)
       tilt (~> 2.0)
-    sinatra-contrib (3.1.0)
-      multi_json
+    sinatra-contrib (3.2.0)
+      multi_json (>= 0.0.2)
       mustermann (~> 3.0)
-      rack-protection (= 3.1.0)
-      sinatra (= 3.1.0)
+      rack-protection (= 3.2.0)
+      sinatra (= 3.2.0)
       tilt (~> 2.0)
     sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
@@ -123,7 +124,7 @@ GEM
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
     thor (1.3.0)
-    tilt (2.2.0)
+    tilt (2.3.0)
     tty-pager (0.14.0)
       strings (~> 0.2.0)
       tty-screen (~> 0.8)