Bump the opentelemetry-testing group with 5 updates (#1478) #2579

Job	Run time
build (windows-latest, Debug)	11m 50s
build (macos-latest, Release)	7m 13s
build (ubuntu-latest, Debug)	12m 48s
build (ubuntu-latest, Release)	14m 0s
build (macos-latest, Debug)	4m 24s
build (windows-latest, Release)	12m 31s
publish-coverage	0s
	1h 2m 46s

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