Fix a missing space in a log message #1239

Job	Run time
Documentation	1m 40s
Doctests	2m 11s
Unit/Julia 1.3/ubuntu-latest/x64	8m 31s
Unit/Julia 1.4/ubuntu-latest/x64	9m 13s
Unit/Julia 1.5/ubuntu-latest/x64	8m 7s
Unit/Julia 1.6/ubuntu-latest/x64	5m 35s
Unit/Julia 1.7/ubuntu-latest/x64	6m 13s
Unit/Julia 1.8/ubuntu-latest/x64	5m 30s
Unit/Julia 1/ubuntu-latest/x64	6m 57s
Unit/Julia nightly/ubuntu-latest/x64	7m 1s
	1h 0m 58s

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