Free Employee Review Form Template: Fix refcount leak in _zstd decompressor options (Social Media Campaign Software)

The option parsing in Modules/_zstd/decompressor.c had a missing Py_DECREF(value) before the early return -1 when PyLong_AsInt(key) fails. The identical code in Modules/_zstd/compressor.c line 158 has the fix.

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@@ -0,0 +1,2 @@
+Fix reference leak in :class:`compression.zstd.ZstdDecompressor` when an
+invalid option key is passed.

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@@ -111,6 +111,7 @@ _zstd_set_d_parameters(ZstdDecompressor *self, PyObject *options)
  int key_v = PyLong_AsInt(key);
  Py_DECREF(key);
  if (key_v == -1 && PyErr_Occurred()) {
+ Py_DECREF(value);
  return -1;
  }