meta: add codeowner for src/node_snapshot*

PR-URL: nodejs#44113
Reviewed-By: Matteo Collina <[email protected]>
Reviewed-By: Richard Lau <[email protected]>
Reviewed-By: Darshan Sen <[email protected]>
Reviewed-By: Joyee Cheung <[email protected]>
Reviewed-By: Tobias Nießen <[email protected]>

Author: legendecas

.github/CODEOWNERS

@@ -108,6 +108,7 @@
 /benchmark/misc/startup.js @nodejs/startup
 /src/node.cc @nodejs/startup
 /src/node_native_module* @nodejs/startup
+/src/node_snapshot* @nodejs/startup
 /lib/internal/bootstrap/* @nodejs/startup
 /tools/snapshot/* @nodejs/startup