Bump golang.org/x/sync from 0.9.0 to 0.10.0 in /internal/signalfx-agent #3937

Job	Run time
setup-environment	1m 40s
agent-bundle-windows	1m 25s
msi-custom-actions	3m 32s
cross-compile (binaries-windows_amd64)	5m 0s
docker-otelcol (windows-2022)	3m 58s
msi-build	3m 18s
dotnet-zeroconfig-e2e-test	2m 24s
msi-test	41s
choco-build	2m 22s
windows-install-script-test (windows-2022, agent, true)	2m 26s
windows-install-script-test (windows-2022, agent, false)	2m 21s
windows-install-script-test (windows-2022, gateway, true)	1s
windows-install-script-test (windows-2022, gateway, false)	1s
choco-test	1s
	29m 10s

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