tools: add security-wg as dep updaters owner

PR-URL: #48113
Refs: nodejs/security-wg#828
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Author: marco-ippolito

.github/CODEOWNERS

@@ -156,3 +156,10 @@
 /src/permission/* @nodejs/security-wg
 /doc/api/permissions.md @nodejs/security-wg
 /lib/internal/process/permission.js @nodejs/security-wg
+
+# Dependency Update Tools
+
+/.github/workflows/tools.yml @nodejs/security-wg
+/.github/workflows/update-openssl.yml @nodejs/security-wg
+/.github/workflows/update-v8.yml @nodejs/security-wg @nodejs/v8-update
+/tools/dep_updaters/* @nodejs/security-wg