update team contact

Author: pchampin

_layouts/home.html

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                     The Working Group maintains the JSON-LD specifications (i.e., <a href='https://www.w3.org/TR/json-ld11/'>JSON-LD 1.1</a>, <a href='https://www.w3.org/TR/json-ld11-api/'>JSON-LD 1.1 API</a>, <a href='https://www.w3.org/TR/json-ld11-framing/'>JSON-LD 1.1 Framing</a>) that together provide a JSON format for Linked Open Data to interoperate at web-scale, in a method which is familiar to and usable by web-focused software engineers.
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-                <p>The Chair of the Working Group is  <a href="mailto:[email protected]">Benjamin Young</a>  (Digital Bazaar). The W3C Staff Contact for the Working Group is <a href="mailto:plh@w3.org">Philippe le Hégaret</a>. The group is chartered until the 31 January 2025.</p>
+                <p>The Chair of the Working Group is  <a href="mailto:[email protected]">Benjamin Young</a>  (Digital Bazaar). The W3C Staff Contact for the Working Group is <a href="mailto:pierre-antoine@w3.org">Pierre-Antoine Champin</a>. The group is chartered until the 31 January 2025.</p>
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