feat(gems): update to pact-support (1.20.0)

Author: YOU54F

packaging/Gemfile.lock

@@ -51,9 +51,9 @@ GEM
       rack-reverse-proxy
       rspec (~> 3.5)
       rspec_junit_formatter (~> 0.3)
-    pact-support (1.19.0)
+    pact-support (1.20.0)
       awesome_print (~> 1.9)
-      diff-lcs (~> 1.4)
+      diff-lcs (~> 1.5)
       expgen (~> 0.1)
       rainbow (~> 3.1.1)
     pact_broker-client (1.74.0)
@@ -94,7 +94,7 @@ GEM
     table_print (1.5.7)
     term-ansicolor (1.7.1)
       tins (~> 1.0)
-    thor (1.2.2)
+    thor (1.3.0)
     tins (1.32.1)
       sync
     webrick (1.8.1)