add sum connector #43

Job	Run time
agent-bundle-windows	1m 36s
msi-custom-actions	3m 49s
setup-environment	1m 50s
cross-compile (binaries-windows_amd64)	4m 50s
msi-build	2m 53s
docker-otelcol (windows-2022)	3m 8s
msi-test	1s
dotnet-zeroconfig-e2e-test	7m 27s
windows-install-script-test (windows-2022, agent, true)	3m 16s
choco-build	2m 21s
windows-install-script-test (windows-2022, agent, false)	2m 16s
windows-install-script-test (windows-2022, gateway, true)	3m 16s
windows-install-script-test (windows-2022, gateway, false)	2m 29s
choco-test (windows-2022, agent, true, install)	5m 2s
choco-test (windows-2022, agent, true, upgrade)	5m 30s
choco-test (windows-2022, agent, false, install)	4m 45s
choco-test (windows-2022, agent, false, upgrade)	4m 47s
choco-test (windows-2022, gateway, true, install)	5m 7s
choco-test (windows-2022, gateway, true, upgrade)	5m 27s
choco-test (windows-2022, gateway, false, install)	3m 54s
choco-test (windows-2022, gateway, false, upgrade)	4m 39s
	1h 18m 23s

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