Bump shader cache version for modified include files

renderdoc/driver/vulkan/vk_shader_cache.cpp

@@ -343,7 +343,7 @@ VulkanShaderCache::VulkanShaderCache(WrappedVulkan *driver)
         // determine if we can skip the call to GenerateGLSLShader (which calls out to glslang).
         // Otherwise we'll use the cached SPIR-V generated by the previous call using the same
         // source & defines.
-        inputHash = strhash("inputHashVersion1", inputHash);
+        inputHash = strhash("inputHashVersion2", inputHash);
 
         if(compileSettings.debugInfo)
           inputHash = strhash("debug", inputHash);