Update presentation-timestamps.md to include security & privacy (#107)

SHA: a4a2a86
Reason: push, by noamr

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

index.html

@@ -7,7 +7,7 @@
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   <meta content="Bikeshed version 742f3d674, updated Mon Nov 4 14:56:54 2024 -0800" name="generator">
   <link href="https://www.w3.org/TR/paint-timing/" rel="canonical">
-  <meta content="5260924c78d84e569d3f731740e9dc4c52547096" name="revision">
+  <meta content="a4a2a86643bc1664ed544541061641874bf4e28f" name="revision">
   <meta content="dark light" name="color-scheme">
   <link href="https://www.w3.org/StyleSheets/TR/2021/dark.css" media="(prefers-color-scheme: dark)" rel="stylesheet" type="text/css">
 <style>/* Boilerplate: style-autolinks */