Tests

Apply tagbot_marker_env patch #113

Job	Run time
Tests (lts, macOS-latest) / Julia lts - macOS-latest	1m 18s
Tests (lts, windows-latest) / Julia lts - windows-latest	3m 2s
Tests (lts, ubuntu-latest) / Julia lts - ubuntu-latest	1m 41s
Tests (1, macOS-latest) / Julia 1 - macOS-latest	1m 58s
Tests (1, ubuntu-latest) / Julia 1 - ubuntu-latest	1m 57s
Tests (1, windows-latest) / Julia 1 - windows-latest	5m 27s
Tests	2s
	15m 25s

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