VCST-5063: Add optional appInsightsInstrumentationKey input

[AndrewEhlo]

Note

Medium Risk
Touches shared GitHub Actions workflows used across many repos by bumping the referenced template version and adding an optional secret, which could impact CI runs if misconfigured, but does not change application/runtime code.

Overview
Updates the reusable GitHub Actions workflow set to v3.800.35 (and updates module template references/defaults accordingly).

Extends the pytest-tests.yml reusable workflow with an optional appInsightsInstrumentationKey secret and forwards it into docker-env-full, and wires module CI templates to pass E2E_APPINSIGHTSINSTRUMENTATIONKEY through when running auto-tests.

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