move cache groups up

ietf120/agenda.md

@@ -25,6 +25,7 @@ _See also the [extensions listing](https://httpwg.org/http-extensions/)_
 
 * 20 min - [Resumable Uploads](https://datatracker.ietf.org/doc/draft-ietf-httpbis-resumable-upload) -- Marius Kleidl ([slides](resumable.pdf))
 * 20 min - [QUERY Method](https://datatracker.ietf.org/doc/draft-ietf-httpbis-safe-method-w-body)
+* 20 min - [Cache Groups](https://datatracker.ietf.org/doc/draft-ietf-httpbis-cache-groups/) -- Mark Nottingham
 
 ### Other Topics
 
@@ -49,9 +50,10 @@ _See also the [extensions listing](https://httpwg.org/http-extensions/)_
 
 * 20 min - [Security Considerations for Optimistic Use of HTTP Upgrade](https://datatracker.ietf.org/doc/draft-ietf-httpbis-optimistic-upgrade/) -- Ben Schwartz
 * 20 min - [HTTP Server Secondary Cert Auth](https://datatracker.ietf.org/doc/draft-ietf-httpbis-secondary-server-certs)
-* 20 min - [Cache Groups](https://datatracker.ietf.org/doc/draft-ietf-httpbis-cache-groups/) -- Mark Nottingham
+
 
 ### Other Topics
 
 * 20 min - [No-Vary-Search](https://datatracker.ietf.org/doc/draft-wicg-http-no-vary-search/) -- Jeremy Roman
+* 20 min - Revising Cookies (again) -- Johann Hofmann