Bump golang.org/x/net from 0.21.0 to 0.23.0 in /exporter/otlphttpexporter #17

Job	Run time
govulncheck	1m 5s
setup-environment	40s
checks	37s
lint	1m 52s
test-coverage	1m 41s
unittest-matrix (~1.22)	1m 34s
unittest-matrix (~1.21.5)	1m 35s
cross-build-collector (darwin, amd64)	10s
cross-build-collector (darwin, arm64)	14s
cross-build-collector (linux, 386)	20s
cross-build-collector (linux, amd64)	10s
cross-build-collector (linux, arm64)	14s
cross-build-collector (linux, ppc64le)	15s
cross-build-collector (linux, arm, 7)	9s
cross-build-collector (linux, s390x)	9s
cross-build-collector (windows, 386)	10s
cross-build-collector (windows, amd64)	13s
unittest	1s
	11m 9s

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