Could not read reconciler cron expression should be a warning

[dougbtv]

Changed from an error, since it returns a default value here, it shouldn't say it's an error, only warn that the file is not present.

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[github-actions]

Pull Request Test Coverage Report for Build 11353129277

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

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Details

• 0 of 1 (0.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 54.58%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/reconciler/config.go	0	1	0.0%

Totals
Change from base Build 11241476772:	0.0%
Covered Lines:	1442
Relevant Lines:	2642

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