feat(gems): update pact_broker gem to version 2.27.6

Author: bethesque

pact_broker/Gemfile.lock

@@ -68,7 +68,7 @@ GEM
       rspec (>= 2.14)
       term-ansicolor (~> 1.0)
       thor
-    pact_broker (2.27.5)
+    pact_broker (2.27.6)
       dry-types (~> 0.10.3)
       dry-validation (~> 0.10.5)
       haml (~> 5.0)