[Spot, doc] Update transformer repository version from bert_qa example (

#2145)

update example

docs/source/examples/spot-jobs.rst

@@ -47,7 +47,7 @@ We can launch it with the following:
 
   # Assume your working directory is under `~/transformers`.
   # To make this example work, please run the following command:
-  # git clone https://github.com/huggingface/transformers.git ~/transformers -b v4.18.0
+  # git clone https://github.com/huggingface/transformers.git ~/transformers -b v4.30.1
   workdir: ~/transformers
 
   setup: |
@@ -122,7 +122,7 @@ Below we show an `example <https://github.com/skypilot-org/skypilot/blob/master/
 
   # Assume your working directory is under `~/transformers`.
   # To make this example work, please run the following command:
-  # git clone https://github.com/huggingface/transformers.git ~/transformers -b v4.18.0
+  # git clone https://github.com/huggingface/transformers.git ~/transformers -b v4.30.1
   workdir: ~/transformers
 
   file_mounts:

examples/spot/bert_qa.yaml

@@ -5,7 +5,7 @@ resources:
 
 # Assume your working directory is under `~/transformers`.
 # To make this example work, please run the following command:
-# git clone https://github.com/huggingface/transformers.git ~/transformers -b v4.18.0
+# git clone https://github.com/huggingface/transformers.git ~/transformers -b v4.30.1
 workdir: ~/transformers
 
 file_mounts:

examples/spot_pipeline/bert_qa_train_eval.yaml

@@ -9,7 +9,7 @@ resources:
 
 # Assume your working directory is under `~/transformers`.
 # To make this example work, please run the following command:
-# git clone https://github.com/huggingface/transformers.git ~/transformers -b v4.18.0
+# git clone https://github.com/huggingface/transformers.git ~/transformers -b v4.30.1
 workdir: ~/transformers
 
 file_mounts: