Update networksecurity resource owner

Bug: 374719543
Change-Id: Iafb5392cb39fbcb854769fc4b8a7351701139b71
Test: n/a
diff --git a/service/ServiceConnectivityResources/OWNERS b/service/ServiceConnectivityResources/OWNERS
index df41ff2..c3c08ee 100644
--- a/service/ServiceConnectivityResources/OWNERS
+++ b/service/ServiceConnectivityResources/OWNERS
@@ -1,2 +1,3 @@
+per-file res/raw/ct_public_keys.pem = file:platform/packages/modules/Connectivity:main:/networksecurity/OWNERS
 per-file res/values/config_thread.xml = file:platform/packages/modules/Connectivity:main:/thread/OWNERS
 per-file res/values/overlayable.xml = file:platform/packages/modules/Connectivity:main:/thread/OWNERS