feat: update header branding to reflect new system name and improve visual hierarchy

apps/web/src/lib/components/Header.svelte

@@ -26,9 +26,9 @@
 			>
 				<img src={logo} alt="Logo Governo PE" class="h-10 w-auto object-contain drop-shadow-sm" />
 				<div class="hidden flex-col sm:flex">
-					<span class="text-primary text-xs font-bold tracking-wider uppercase">Governo de</span>
+					<span class="text-primary text-2xl font-bold tracking-wider uppercase">SGSE</span>
 					<span class="text-base-content -mt-1 text-lg leading-none font-extrabold tracking-tight"
-						>Pernambuco</span
+						>Sistema de Gestão da Secretaria de Esportes</span
 					>
 				</div>
 			</a>