Merge pull request #2655 from github/aeisenberg/deprecate-2.14 #3436

Job	Run time
Diagnostic export (ubuntu-latest, linked)	1m 2s
Diagnostic export (macos-latest, linked)	1m 19s
Diagnostic export (windows-latest, linked)	1m 52s
Diagnostic export (ubuntu-latest, nightly-latest)	1m 1s
Diagnostic export (macos-latest, nightly-latest)	1m 16s
Diagnostic export (windows-latest, nightly-latest)	3m 8s
	9m 38s

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