Update @svrnm's affiliation and add area of interest (#2607)

Signed-off-by: svrnm <[email protected]>

Author: svrnm

areas-of-interest.md

@@ -161,4 +161,11 @@ contact.
 - OpenTelemetry C++
 - OpenTelemetry Protocol
 
+### [Severin Neumann](https://github.com/svrnm/), Independent
+
+- Contributor Experience
+- Distributed Tracing
+- Documentation
+- Security
+
 <!-- ### [_Your name here_](https://github.com/your_name), Your Company -->

community-members.md

@@ -12,7 +12,7 @@ in alphabetical order:
 - [Juraci Paixão Kröhling](https://github.com/jpkrohling), Grafana Labs, until October 2025
 - [Morgan McLean](https://github.com/mtwo), Splunk, until October 2026
 - [Pablo Baeyens Fernandez](https://github.com/mx-psi), Datadog, until October 2026
-- [Severin Neumann](https://github.com/svrnm), Cisco, until October 2025
+- [Severin Neumann](https://github.com/svrnm), Independent, until October 2025
 - [Ted Young](https://github.com/tedsuo), Lightstep, until October 2025
 - [Trask Stalnaker](https://github.com/trask), Microsoft, until October 2026
 
@@ -59,7 +59,7 @@ repositories:
 - [Leighton Chen](https://github.com/lzchen), Microsoft
 - [Marc Alff](https://github.com/marcalff), Oracle
 - [Robert Pająk](https://github.com/pellared), Splunk
-- [Severin Neumann](https://github.com/svrnm), Cisco
+- [Severin Neumann](https://github.com/svrnm), Independent
 - [Ted Young](https://github.com/tedsuo), Lightstep
 - [Tristan Sloughter](https://github.com/tsloughter), MyDecisiveAI
 - [Tyler Yahn](https://github.com/MrAlias), Splunk