Add missing //components/attribution_reporting dep to blink core

attribution_src_loader.cc depends on this target, and as such it should
be an explicit dependency of blink core.

Change-Id: If6bf41ec098e900623e6d5aaa9d07222196b87a0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4111321
Reviewed-by: Nate Chapin <japhet@chromium.org>
Auto-Submit: Andrew Paseltiner <apaseltiner@chromium.org>
Commit-Queue: Nate Chapin <japhet@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1084606}

third_party/blink/renderer/core/BUILD.gn

@@ -312,6 +312,7 @@ component("core") {
     ":generate_eventhandler_names",
     ":generated_settings_macros",
     "//build:chromeos_buildflags",
+    "//components/attribution_reporting",
     "//components/paint_preview/common",
     "//components/performance_manager/public/mojom:mojom_blink",
     "//components/power_scheduler",