chore: update pact-core to 13.17.1 for pactflow command

Author: YOU54F

.gitignore

@@ -1,6 +1,7 @@
 # See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
 
 .idea/
+.vscode
 
 # dependencies
 node_modules/
@@ -27,4 +28,4 @@ yarn-error.log*
 
 pacts/
 logs/
-output/
+output/

package-lock.json

@@ -17,7 +17,7 @@
     "express": "^4.17.1"
   },
   "devDependencies": {
-    "@pact-foundation/pact-core": "^13.4.1-beta.18",
+    "@pact-foundation/pact-core": "^13.7.1",
     "axios": "^0.21.1",
     "concurrently": "^7.1.0",
     "dotenv": "^8.2.0",