Specify ownership for Vectorize partials, add @mchenco (#17749)

Author: sejoker

.github/CODEOWNERS

@@ -21,10 +21,11 @@
 /src/content/docs/ai-gateway/ @kathayl @G4brym @mchenco @daisyfaithauma @cloudflare/pcx-technical-writing
 /src/content/docs/workers-ai/ @rita3ko @craigsdennis @markdembo @mchenco @daisyfaithauma @cloudflare/pcx-technical-writing
 /src/content/docs/workers-ai/static @mchenco @craigsdennis @cloudflare/pcx-technical-writing
-/src/content/docs/vectorize/ @elithrar @vy-ton @sejoker @cloudflare/pcx-technical-writing
+/src/content/docs/vectorize/ @elithrar @vy-ton @sejoker @mchenco @cloudflare/pcx-technical-writing
+/src/content/partials/vectorize/ @elithrar @mchenco @sejoker @cloudflare/pcx-technical-writing
 /src/content/changelogs/workers-ai.yaml @kathayl @G4brym @mchenco @daisyfaithauma @cloudflare/pcx-technical-writing
 /src/content/changelogs/ai-gateway.yaml @kathayl @G4brym @mchenco @daisyfaithauma @cloudflare/pcx-technical-writing
-/src/content/changelogs/vectorize.yaml @elithrar @sejoker @cloudflare/pcx-technical-writing
+/src/content/changelogs/vectorize.yaml @elithrar @mchenco @sejoker @cloudflare/pcx-technical-writing
 
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