Added demo for 20230711

Author: nicholasdille

2023-07-11_heise-Kubernetes-Security.html

@@ -68,6 +68,7 @@
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 <section data-markdown="170_supply_chain_security/approaches.md" data-separator="^---$" data-separator-vertical="^--$"></section>
 <section data-markdown="170_supply_chain_security/cosign/slides.md" data-separator="^---$" data-separator-vertical="^--$"></section>
+<section data-markdown="120_kubernetes/kyverno/cosign.md" data-separator="^---$" data-separator-vertical="^--$"></section>
 <section data-markdown="170_supply_chain_security/activity.md" data-separator="^---$" data-separator-vertical="^--$"></section>
 <section data-markdown="170_supply_chain_security/sbom-operator/slides.md" data-separator="^---$" data-separator-vertical="^--$"></section>