[dev] Monorepo: improve changelogger prompts in CI. (#51995)

tools/monorepo/check-changelogger-use.php

@@ -220,10 +220,10 @@ foreach ( $touched_projects as $slug => $files ) {
 		} elseif ( getenv( 'CI' ) ) {
 			printf( "---\n" ); // Bracket message containing newlines for better visibility in GH's logs.
 			printf(
-				"::error::Project %s is being changed, but no change file in %s is touched!\n\nUse `pnpm --filter=./%s changelog add` to add a change file.\n",
+				"::error::Project %s is being changed, but no change file in %s is touched!\n\nUse `pnpm --filter='%s' changelog add` to add a change file.\n",
 				$slug,
 				"$slug/{$changelogger_projects[ $slug ]['changes-dir']}/",
-				$slug
+				json_decode( file_get_contents( sprintf( './%s/package.json', $slug ) ), true )['name'] ?? ( './' . $slug )
 			);
 			printf( "---\n" );
 			$exit = 1;