Move cut-release-pr script into tool dir

[soapy1]

Description

Consolidating project scripts into the tools directory. To run the cut release script, ensure you run from the root of the project. For example:

$ ./tools/cut-release-pr.sh -r release_version -c conda_store_ui_version\n"

Pull request checklist

• Did you test this change locally?
• Did you update the documentation (if required)?
• Did you add/update relevant tests for this change (if required)?

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[peytondmurray]

Thanks! Nice idea consolidating this in the tools dir 👍