Bump the opentelemetry-testing group with 6 updates #1739

Job	Run time
build (windows-latest, Release)	10m 51s
build (windows-latest, Debug)	9m 18s
build (ubuntu-latest, Debug)	6m 59s
build (macos-latest, Debug)	10m 33s
build (macos-latest, Release)	9m 2s
build (ubuntu-latest, Release)	6m 22s
publish-coverage	0s
	53m 5s

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