#1350 Use America/New_York time zone by default

[kalbfled]

Description

These changes replace all instances of the timezone America/Toronto with America/New_York.

issue #1350

How Has This Been Tested?

All unit tests continue to pass, and grep -rni Toronto no longer returns any hits.

Checklist

• I have assigned myself to this PR
• PR has an appropriate title: #9999 - What the thing does
• PR has a detailed description, including links to specific documentation
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• I have added tests that prove my fix is effective or that my feature works. Testing guidelines
• I have ensured the latest main is merged into my branch and all checks are green prior to review
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• The ticket was moved into the DEV test column when I began testing this change