bumping up PromptingTools.jl

[atharvas]

An attempt to resolve Issue #30. Bumping PromptingTools.jl to the latest version. This also allows me to make small changes to the prompting format.

[github-actions]

Benchmark Results

	master	1b5ec58...	master/1b5ec5846d6065...
search/multithreading	20.9 ± 0.42 s	23.7 ± 1.8 s	0.883
search/serial	32.6 ± 0.25 s	33.3 ± 0.57 s	0.98
utils/best_of_sample	0.992 ± 0.38 μs	1.17 ± 0.5 μs	0.846
utils/check_constraints_x10	11.4 ± 2.9 μs	11.6 ± 2.9 μs	0.991
utils/compute_complexity_x10/Float64	2.05 ± 0.11 μs	2.09 ± 0.1 μs	0.981
utils/compute_complexity_x10/Int64	2.03 ± 0.11 μs	2.02 ± 0.1 μs	1
utils/compute_complexity_x10/nothing	1.44 ± 0.14 μs	1.49 ± 0.11 μs	0.967
utils/optimize_constants_x10	0.0378 ± 0.0084 s	0.0374 ± 0.0085 s	1.01
time_to_load	3.82 ± 0.0061 s	3.76 ± 0.016 s	1.02

Benchmark Plots

A plot of the benchmark results have been uploaded as an artifact to the workflow run for this PR.
Go to "Actions"->"Benchmark a pull request"->[the most recent run]->"Artifacts" (at the bottom).