update bash script name for zam347

...tion_savp/Zam347_scripts/data_extraction_era5_template.sh

...avp/Zam347_scripts/preprocess_data_era5_step1_template.sh

...avp/Zam347_scripts/preprocess_data_era5_step2_template.sh

...ediction_savp/Zam347_scripts/train_model_era5_template.sh

...avp/Zam347_scripts/visualize_postprocess_era5_template.sh