Update marginalia gem to v1.10.0

This fixes the Ruby 2.7 kwargs deprecation warnings:
https://github.com/basecamp/marginalia/pull/110

Diff:
https://github.com/basecamp/marginalia/compare/v1.9.0..v1.10.0

Gemfile

@@ -22,7 +22,7 @@ gem 'rugged', '~> 0.28'
 gem 'grape-path-helpers', '~> 1.5'
 
 gem 'faraday', '~> 1.0'
-gem 'marginalia', '~> 1.9.0'
+gem 'marginalia', '~> 1.10.0'
 
 # Authentication libraries
 gem 'devise', '~> 4.7.2'

Gemfile.lock

@@ -695,7 +695,7 @@ GEM
       mini_mime (>= 0.1.1)
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
-    marginalia (1.9.0)
+    marginalia (1.10.0)
       actionpack (>= 2.3)
       activerecord (>= 2.3)
     memoist (0.16.2)
@@ -1415,7 +1415,7 @@ DEPENDENCIES
   loofah (~> 2.2)
   lru_redux
   mail (= 2.7.1)
-  marginalia (~> 1.9.0)
+  marginalia (~> 1.10.0)
   memory_profiler (~> 0.9)
   method_source (~> 1.0)
   mimemagic (~> 0.3.2)