meta: Add CODEOWNERS entry for toolbar docs

Author: ryan953

.github/CODEOWNERS

@@ -51,4 +51,6 @@
 # /src/platforms/javascript/common/session-replay/                  @getsentry/replay @getsentry/replay-sdk-web
 # /src/wizard/javascript/replay-onboarding/                         @getsentry/replay @getsentry/replay-sdk-web
 
+# /src/docs/product/dev-toolbar/                                    @getsentry/replay
+
 # ###### End Replays #######