Fix typo in README.md (#2898) #1136

Job	Run time
multios-unit-tests (macos-latest, 1.22) / test-multi-os	14m 29s
multios-unit-tests (macos-latest, 1.23) / test-multi-os	11m 32s
multios-unit-tests (ubuntu-latest, 1.22) / test-multi-os	6m 56s
multios-unit-tests (ubuntu-latest, 1.23) / test-multi-os	11m 27s
multios-unit-tests (windows-latest, 1.22) / test-multi-os	15m 24s
multios-unit-tests (windows-latest, 1.23) / test-multi-os	15m 57s
unit-integration-tests (1.22) / copyright	18s
unit-integration-tests (1.22) / lint	1m 30s
unit-integration-tests (1.22) / test-contrib	6m 5s
unit-integration-tests (1.22) / test-core	7m 16s
unit-integration-tests (1.23) / copyright	14s
unit-integration-tests (1.23) / lint	1m 41s
unit-integration-tests (1.23) / test-contrib	5m 45s
unit-integration-tests (1.23) / test-core	7m 42s
	1h 46m 16s

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