Update broken link to the Volvo Cars Code of Conduct

The link on [0] seems to have been updated to a 2019 version
and the previous removed.

[0] https://group.volvocars.com/sustainability

Change-Id: Ic6c5b7580d41eb87c45daf34c7fc4099002d1361
diff --git a/conduct-policy.md b/conduct-policy.md
index b57b14c..3cab6a0 100644
--- a/conduct-policy.md
+++ b/conduct-policy.md
@@ -4,5 +4,5 @@
 person from the summit premises at any time in its sole discretion.
 This includes but is not limited to attendees behaving in a disorderly manner or
 failing to abide by the Volvo Cars
-[Code of Conduct](https://assets.volvocars.com/~/media/ccs/shared/code-of-conduct/our-code--how-we-act.pdf)
+[Code of Conduct](https://assets.volvocars.com/~/media/ccs/shared/code-of-conduct/volvo_code_of_conduct_en_print_2019.pdf)
 and [Code of Conduct for Business Partners](https://assets.volvocars.com/~/media/ccs/suppliers/code_of_conduct_business_partner_en.pdf).
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