update callsites for Make image factories

not forced yet, as we still have the build-guard. waiting on chrome CL

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1810813003

TBR=

Review URL: https://codereview.chromium.org/1810813003
diff --git a/src/c/sk_surface.cpp b/src/c/sk_surface.cpp
index 8dd7a6c..79036f7 100644
--- a/src/c/sk_surface.cpp
+++ b/src/c/sk_surface.cpp
@@ -463,7 +463,7 @@
 
 sk_image_t* sk_surface_new_image_snapshot(sk_surface_t* csurf) {
     SkSurface* surf = (SkSurface*)csurf;
-    return (sk_image_t*)surf->newImageSnapshot();
+    return (sk_image_t*)surf->makeImageSnapshot().release();
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////