[3PP] Upgrade snappy to 1.2.2

third_party/snappy.lua

@@ -18,5 +18,9 @@ project("snappy")
     "snappy/snappy.h",
   })
 
-  filter("platforms:Windows")
-    warnings("Off")  -- Too many warnings.
+  local snappy_dir = path.getabsolute("snappy")
+  if not os.isfile(path.join(snappy_dir, "snappy-stubs-public.h")) then
+    prebuildcommands({
+      "cmake -DSNAPPY_BUILD_TESTS=OFF -DSNAPPY_BUILD_BENCHMARKS=OFF -DSNAPPY_REQUIRE_AVX=ON "..snappy_dir.." -B"..snappy_dir
+    })
+  end