Update to 1.18.0 resources (#17)

* update to 1.18.0 resources

* Update Package.swift

Co-authored-by: Edward Chen <18449977+edgchen1@users.noreply.github.com>

* update

---------

Co-authored-by: rachguo <rachguo@rachguos-Mini.attlocal.net>
Co-authored-by: Edward Chen <18449977+edgchen1@users.noreply.github.com>

objectivec/include/ort_training_session.h

@@ -39,7 +39,7 @@ NS_ASSUME_NONNULL_BEGIN
  * session which will be moved to the device specified in the session option if needed.
  *
  * @param env The `ORTEnv` instance to use for the training session.
- * @param sessionOptions The `ORTSessionOptions` to use for the training session.
+ * @param sessionOptions The optional `ORTSessionOptions` to use for the training session.
  * @param checkpoint Training states that are used as a starting point for training.
  * @param trainModelPath The path to the training onnx model.
  * @param evalModelPath The path to the evaluation onnx model.
@@ -52,7 +52,7 @@ NS_ASSUME_NONNULL_BEGIN
  * keeps a strong (owning) pointer to the checkpoint state.
  */
 - (nullable instancetype)initWithEnv:(ORTEnv*)env
-                      sessionOptions:(ORTSessionOptions*)sessionOptions
+                      sessionOptions:(nullable ORTSessionOptions*)sessionOptions
                           checkpoint:(ORTCheckpoint*)checkpoint
                       trainModelPath:(NSString*)trainModelPath
                        evalModelPath:(nullable NSString*)evalModelPath