Bug 1867346 - Tweak strings for ASRouter spotlight message to encourage users...

Bug 1867346 - Tweak strings for ASRouter spotlight message to encourage users without FxA accounts to create one. r=fluent-reviewers,flod, a=dmeehan, l10n=flod

Differential Revision: https://phabricator.services.mozilla.com/D195013

browser/locales/en-US/browser/newtab/asrouter.ftl

@@ -251,6 +251,6 @@ device-migration-fxa-spotlight-older-device-header = Peace of mind, from { -bran
 device-migration-fxa-spotlight-older-device-body = An account keeps your important info updated and protected on any device you connect.
 device-migration-fxa-spotlight-older-device-primary-button = Create an account
 
-device-migration-fxa-spotlight-getting-new-device-header = Hoping for a new device this season?
+device-migration-fxa-spotlight-getting-new-device-header-2 = New device in your future?
 device-migration-fxa-spotlight-getting-new-device-body = Back up your data now, so you’re ready to go when your device arrives.
 device-migration-fxa-spotlight-getting-new-device-primary-button = How to back up my data

python/l10n/fluent_migrations/bug_1867346_new_device_migration_string_replacement.py

+# Any copyright is dedicated to the Public Domain.
+# http://creativecommons.org/publicdomain/zero/1.0/
+
+from fluent.migrate.helpers import transforms_from
+
+
+def migrate(ctx):
+    """Bug 1867346 - Replace a string for device migration ASRouter messages, part {index}."""
+
+    source = "browser/browser/newtab/asrouter.ftl"
+    target = source
+
+    ctx.add_transforms(
+        target,
+        target,
+        transforms_from(
+            """
+device-migration-fxa-spotlight-getting-new-device-header-2 = {COPY_PATTERN(from_path, "fxa-sync-cfr-header")}
+""",
+            from_path=source,
+        ),
+    )