ecds: support dynamic config for UDP session filters

[ohadvano]

trafficstars

Additional Description: Adding support for dynamic extension config with ECDS, for UDP session filters Risk Level: low Testing: unit tests, integration tests Docs Changes: none Release Notes: none Platform Specific Features: none

[repokitteh-read-only[bot]]

CC @envoyproxy/api-shepherds: Your approval is needed for changes made to (api/envoy/|docs/root/api-docs/). envoyproxy/api-shepherds assignee is @wbpcode CC @envoyproxy/api-watchers: FYI only for changes made to (api/envoy/|docs/root/api-docs/).

:cat:

Caused by: https://github.com/envoyproxy/envoy/pull/35852 was opened by ohadvano.

see: more, trace.

[wbpcode]

Hi, @kyessenov could you take a look when you get some free time? I think you are more familiar to the ECDS than me. :)

[phlax]

bump @kyessenov