MAINTAINERS: libsrtp: add @josuah as maintainer

Introduce the first integration of the libSRTP library,
providing support for the Secure Real-time Transport Protocol (SRTP).

Co-authored-by: Josuah Demangeon <me@josuah.net>
Signed-off-by: Sayed Naser Moravej <seyednasermoravej@gmail.com>

Author: seyednasermoravej

MAINTAINERS.yml

@@ -5853,6 +5853,16 @@ West:
   labels:
     - "area: Audio"
 
+"West project: libsrtp":
+  status: maintained
+  maintainers:
+    - josuah
+  files:
+    - modules/libsrtp/
+    - samples/modules/libsrtp/
+  labels:
+    - "area: Networking"
+
 "West project: littlefs":
   status: odd fixes
   files: