Add the PowerShellWorker 7.0 to the list of packages to update

integrationTestsBuild/V4/CoreToolsBuild.json

@@ -22,5 +22,9 @@
   {
     "Name": "Microsoft.Azure.Functions.PowerShellWorker.PS7.2",
     "MajorVersion": "4"
+  },
+  {
+    "Name": "Microsoft.Azure.Functions.PowerShellWorker.PS7.0",
+    "MajorVersion": "4"
   }
 ]