feat: update text for image policy in team overview alert

Author: rbjornstad

src/routes/team/[team]/+page.svelte

@@ -34,9 +34,9 @@
 
 {#if deprecatedImages?.length}
 	<Alert variant="error">
-		Starting from April 1st, applications and jobs on Nais must use images from the team's own
-		repository in GAR. The easiest way to ensure that images are stored in GAR is to use Nais'
-		GitHub Actions in the workflow. <a
+		Starting from April 1st, applications and jobs on Nais must use images from Google Artifact
+		Registry (GAR). The easiest way to ensure that images are stored in GAR is to use Nais' GitHub
+		Actions in the workflow. <a
 			href="https://nais.io/log/#2025-02-24-image-policy"
 			target="_blank"
 			rel="noopener noreferrer">Read more in Nais announcement</a