Pack multiple column and transfer packed vectors to multi-output gaussian process trainer

[lin-yang-ly]

This PR create a object in Stochastic Module Tools which can pack multiple columns from user-generated data and transfer packed data to multi-output gaussian process trainer.

Ref. #31820

[lin-yang-ly]

@somu15 Please let me know if you have any suggestions for it!

[moosebuild]

Job Precheck, step Clang format on 5a8febf wanted to post the following:

Your code requires style changes.

A patch was auto generated and copied here
You can directly apply the patch by running, in the top level of your repository:

curl -s https://mooseframework.inl.gov/docs/PRs/31897/clang_format/style.patch | git apply -v

Alternatively, with your repository up to date and in the top level of your repository:

git clang-format 7edd10c4e1e441b808e9c6723cac9f12a982381a