[host_shaders] Corrections on mismatchs for SINT on depth formats

src/video_core/host_shaders/vulkan_blit_depth_stencil.frag

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -5,11 +8,11 @@
 #extension GL_ARB_shader_stencil_export : require
 
 layout(binding = 0) uniform sampler2D depth_tex;
-layout(binding = 1) uniform isampler2D stencil_tex;
+layout(binding = 1) uniform usampler2D stencil_tex;
 
 layout(location = 0) in vec2 texcoord;
 
 void main() {
     gl_FragDepth = textureLod(depth_tex, texcoord, 0).r;
-    gl_FragStencilRefARB = textureLod(stencil_tex, texcoord, 0).r;
+    gl_FragStencilRefARB = int(textureLod(stencil_tex, texcoord, 0).r);
 }