Allow relying on InstrumentationScope in SpanStub and fix remaining d… #13687

Job	Run time
lint	2m 34s
compatibility-test (~1.22.5, ubuntu-latest, 386)	1m 6s
compatibility-test (~1.22.5, ubuntu-latest, amd64)	1m 11s
test-bench	1m 2s
compatibility-test (~1.22.5, macos-13, amd64)	1m 58s
test-coverage	1m 7s
test-race	2m 5s
compatibility-test (~1.22.5, macos-latest, arm64)	47s
compatibility-test (~1.22.5, windows-latest, 386)	3m 35s
compatibility-test (~1.22.5, windows-latest, amd64)	3m 23s
compatibility-test (~1.22.5, actuated-arm64-2cpu-8gb, arm64)	1m 29s
compatibility-test (~1.21.12, ubuntu-latest, 386)	35s
compatibility-test (~1.21.12, ubuntu-latest, amd64)	1m 16s
compatibility-test (~1.21.12, macos-13, amd64)	2m 20s
compatibility-test (~1.21.12, macos-latest, arm64)	47s
compatibility-test (~1.21.12, windows-latest, 386)	2m 50s
compatibility-test (~1.21.12, windows-latest, amd64)	3m 7s
compatibility-test (~1.21.12, actuated-arm64-2cpu-8gb, arm64)	1m 52s
codecov	9s
test-compatibility	1s
	33m 14s

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