[wg/distributed-tracing] [wg/media] [wg/payments] Use PP2025

[plehegar]

Those 3 charters must implement #671

• [wg/distributed-tracing]
• [wg/media]
• [wg/payments]

[plehegar]

f261934

[tidoust]

[wg/media]

Done in the GitHub version of the draft charter. I didn't update the w3.org version sent tot he AC for review, since it's supposed to be frozen...

[ianbjacobs]

It seems the change has been made to the source document; I've updated the date in the draft for AC review.