[chore] Update gin to v1.9.0 (#1553)

vendor/github.com/chenzhuoyu/base64x/faststr.go

@@ -0,0 +1,23 @@
+package base64x
+
+import (
+    `reflect`
+    `unsafe`
+)
+
+func mem2str(v []byte) (s string) {
+    (*reflect.StringHeader)(unsafe.Pointer(&s)).Len  = (*reflect.SliceHeader)(unsafe.Pointer(&v)).Len
+    (*reflect.StringHeader)(unsafe.Pointer(&s)).Data = (*reflect.SliceHeader)(unsafe.Pointer(&v)).Data
+    return
+}
+
+func str2mem(s string) (v []byte) {
+    (*reflect.SliceHeader)(unsafe.Pointer(&v)).Cap  = (*reflect.StringHeader)(unsafe.Pointer(&s)).Len
+    (*reflect.SliceHeader)(unsafe.Pointer(&v)).Len  = (*reflect.StringHeader)(unsafe.Pointer(&s)).Len
+    (*reflect.SliceHeader)(unsafe.Pointer(&v)).Data = (*reflect.StringHeader)(unsafe.Pointer(&s)).Data
+    return
+}
+
+func mem2addr(v []byte) unsafe.Pointer {
+    return *(*unsafe.Pointer)(unsafe.Pointer(&v))
+}