Ensure tqdm instance is closed on complete process

What does this merge request do and why?

Ensure tqdm instance is closed on complete process (via end_bundle hook).

This fixes an issue with log message interleaving tqdm progress indicator.

Before

❯ poetry run promptlib duo-chat eval --test-run --sample-size 1 --config-file=data/config/duochat_eval_config.json                                                                              
Requesting answers from duo-chat: 1it [00:11, 11.56s/iINFO:promptlib.common.beam.io:Output written to BigQuery: dev-ai-research-0e2f8974:duo_chat_experiments.tl_output_sinks_log_20240301_22084
5__independent_llm_judge, 28.93s/it]                                                                                                                                                            
INFO:promptlib.common.beam.io:Output written to BigQuery: dev-ai-research-0e2f8974:duo_chat_experiments.tl_output_sinks_log_20240301_220844__similarity_score                                   
INFO:promptlib.common.beam.io:Output written to CSV: data/output/experiment_20240301_220845__independent_llm_judge-00000-of-00001.csv                                                           
INFO:promptlib.common.beam.io:Output written to CSV: data/output/experiment_20240301_220844__similarity_score-00000-of-00001.csv                                                                
Requesting answers from claude-2: 1it [01:16, 76.56s/it]                                                                                                                                        
Requesting answers from duo-chat: 1it [01:16, 76.57s/it]                                                                                                                                        
Getting evaluation from text-bison@latest: 2it [00:47, 23.71s/it]                                                                                                                               
Calculating similarity scores.: 1it [00:38, 38.86s/it]        

After

❯ poetry run promptlib duo-chat eval --test-run --sample-size 2 --config-file=data/config/duochat_eval_config.json
Requesting answers from claude-2: 2it [00:30, 15.33s/it]                                                                                                                                        
Requesting answers from duo-chat: 2it [00:30, 15.33s/it]                                                                                                                                        
Getting evaluation from text-bison@latest: 4it [00:08,  2.17s/it]                                                                                                                               
Calculating similarity scores: 4it [00:03,  1.02it/s]                                                                                                                                           
INFO:promptlib.common.beam.io:Output written to BigQuery: dev-ai-research-0e2f8974:duo_chat_experiments.tl_output_sinks_log_20240302_003329__independent_llm_judge
INFO:promptlib.common.beam.io:Output written to BigQuery: dev-ai-research-0e2f8974:duo_chat_experiments.tl_output_sinks_log_20240302_003328__similarity_score
INFO:promptlib.common.beam.io:Output written to CSV: data/output/experiment_20240302_003329__independent_llm_judge-00000-of-00001.csv
INFO:promptlib.common.beam.io:Output written to CSV: data/output/experiment_20240302_003328__similarity_score-00000-of-00001.csv

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

Merge request checklist

• I've ran the affected pipeline(s) to validate that nothing is broken.
• Tests added for new functionality. If not, please raise an issue to follow up.
• Documentation added/updated, if needed.