Bump pinboard gem

Gemfile.lock

@@ -1,3 +1,11 @@
+GIT
+  remote: https://github.com/dnitza/pinboard.git
+  revision: a178662d901c768a6f76af7b94f7336484752e03
+  branch: master
+  specs:
+    pinboard (1.1.1)
+      httparty (~> 0.21.0)
+
 GIT
   remote: https://github.com/hanami/view.git
   revision: c1a6f60a989f1face809a6d8d61652748aee19a7
@@ -170,8 +178,8 @@ GEM
       dry-validation (>= 1.10, < 2)
       zeitwerk (~> 2.6.0)
     hansi (0.2.1)
-    httparty (0.11.0)
-      multi_json (~> 1.0)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
@@ -183,7 +191,7 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     lumberjack (1.2.8)
     method_source (1.0.0)
-    multi_json (1.15.0)
+    mini_mime (1.1.2)
     multi_xml (0.6.0)
     mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
@@ -202,8 +210,6 @@ GEM
     parser (3.2.0.0)
       ast (~> 2.4.1)
     pg (1.4.5)
-    pinboard (1.0.0)
-      httparty (= 0.11.0)
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -331,7 +337,7 @@ DEPENDENCIES
   hanami-view!
   httparty
   pg
-  pinboard (~> 1.0.0)
+  pinboard!
   puma
   rack-test
   rake