ggml : implement GEGLU_ERF and GEGLU_QUICK ops (#14445)

ggml/src/ggml-vulkan/vulkan-shaders/geglu_quick.comp

@@ -0,0 +1,11 @@
+#version 450
+
+#include "glu_head.comp"
+
+const float GELU_QUICK_COEF = -1.702f;
+
+float op(float a, float b) {
+    return a * (1.0f / (1.0f + exp(GELU_QUICK_COEF * a))) * b;
+}
+
+#include "glu_main.comp"