Fix ShadowMapManager ShadowMap alignment (#8398)

filament/src/ShadowMapManager.h

@@ -230,7 +230,7 @@ class ShadowMapManager {
     // Inline storage for all our ShadowMap objects, we can't easily use a std::array<> directly.
     // Because ShadowMap doesn't have a default ctor, and we avoid out-of-line allocations.
     // Each ShadowMap is currently 88 bytes (total of ~12KB for 128 shadow maps)
-    using ShadowMapStorage = std::aligned_storage<sizeof(ShadowMap)>::type;
+    using ShadowMapStorage = std::aligned_storage_t<sizeof(ShadowMap), alignof(ShadowMap)>;
     using ShadowMapCacheContainer = std::array<ShadowMapStorage, CONFIG_MAX_SHADOWMAPS>;
     ShadowMapCacheContainer mShadowMapCache;
     uint32_t mDirectionalShadowMapCount = 0;