Update CODEOWNERS for Turbopack/tasks crates (#4899)

### Description

See #4853

This brings the same CODEOWNERS treatment to turbopack/tasks crates.


link WEB-1015

.github/CODEOWNERS

@@ -31,8 +31,9 @@ pnpm-lock.yaml
 .github/workflows/setup-nextjs-build.yml @vercel/web-tooling
 .github/workflows/daily-nextjs-integration-test.yml @vercel/web-tooling
 
-# crates in alphabetical order
-/crates @vercel/web-tooling
+# Nobody owns crates by default
+/crates
+
 # overrides for crates that are owned by turbo-oss
 /crates/globwatch @vercel/turbo-oss
 /crates/pidlock @vercel/turbo-oss
@@ -46,6 +47,11 @@ pnpm-lock.yaml
 /crates/turborepo-vercel-api-mock @vercel/turbo-oss
 /crates/turbo-updater @vercel/turbo-oss
 
+# overrides for crates that are owned by web-tooling
+/crates/turbo-tasks* @vercel/web-tooling
+/crates/turbopack* @vercel/web-tooling
+/crates/node-file-trace @vercel/web-tooling
+
 # packages in alphabetical order, to match view github https://github.com/vercel/turbo/tree/main/packages
 # Separate section in this file, so we can add new entries more easily.
 # Note: Some packages may be omitted to indicate shared ownership.