vulkan: Add memory pressure handling and pipeline eviction

Signed-off-by: Zephyron <zephyron@citron-emu.org>

src/video_core/buffer_cache/buffer_cache_base.h

@@ -1,4 +1,5 @@
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 Citron Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #pragma once
@@ -343,6 +344,12 @@ private:
 
     void RunGarbageCollector();
 
+public:
+    /// Public interface to trigger garbage collection
+    void TriggerGarbageCollection() {
+        RunGarbageCollector();
+    }
+
     void BindHostIndexBuffer();
 
     void BindHostVertexBuffers();