feat(gems): update pact_broker gem to version 2.51.0

pact_broker/Gemfile.lock

@@ -64,7 +64,7 @@ GEM
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     mysql2 (0.5.3)
-    nokogiri (1.10.8)
+    nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     nokogumbo (2.0.2)
       nokogiri (~> 1.8, >= 1.8.4)
@@ -73,7 +73,7 @@ GEM
       randexp (~> 0.1.7)
       rspec (>= 2.14)
       term-ansicolor (~> 1.0)
-    pact_broker (2.50.1)
+    pact_broker (2.51.0)
       dry-logic (= 0.4.2)
       dry-types (~> 0.10.3)
       dry-validation (~> 0.10.5)
@@ -101,7 +101,7 @@ GEM
       thor (~> 0.18)
     padrino-support (0.14.4)
     pg (1.2.2)
-    puma (3.12.2)
+    puma (3.12.4)
     rack (2.2.2)
     rack-protection (2.0.8.1)
       rack
@@ -137,7 +137,7 @@ GEM
     semantic_logger (4.6.1)
       concurrent-ruby (~> 1.0)
     semver2 (3.4.2)
-    sequel (5.29.0)
+    sequel (5.30.0)
     sinatra (2.0.8.1)
       mustermann (~> 1.0)
       rack (~> 2.0)