Run more repos by default, move the NewErrors task earlier.

[DanielRosenwasser]

This PR should get the Sunday run to:

1. Run 300 server tests on TS and JS each
2. Run 800 compiler tests
3. Run the compiler tests a smidge earlier (I think, someone check my cron)

[jakebailey]

This value is basically always overridden by other workflows, and the triggerer sets this; this probably won't have an effect, no?

[DanielRosenwasser]

This value is basically always overridden by other workflows, and the triggerer sets this

I think that the tasks with a schedule that use this template just don't set the REPO_COUNT:

typescript-error-deltas/azure-pipelines-gitTests-tsserver-js.yml

Lines 17 to 20 in 21609ac

	template: azure-pipelines-gitTests-template.yml
	parameters:
	ENTRYPOINT: tsserver
	LANGUAGE: JavaScript

and

https://github.com/microsoft/typescript-error-deltas/blob/main/azure-pipelines-gitTests-tsserver-ts.yml#L17-L20

[jakebailey]

oh, gotcha