Bump golang.org/x/net from 0.21.0 to 0.23.0 in /extension/ballastextension #13

Job	Run time
govulncheck	1m 12s
setup-environment	35s
checks	41s
cross-build-collector (darwin, amd64)	14s
cross-build-collector (darwin, arm64)	14s
lint	1m 56s
test-coverage	1m 45s
cross-build-collector (linux, 386)	16s
cross-build-collector (linux, amd64)	13s
unittest-matrix (~1.22)	1m 35s
cross-build-collector (linux, arm64)	16s
unittest-matrix (~1.21.5)	1m 38s
cross-build-collector (linux, ppc64le)	17s
cross-build-collector (linux, arm, 7)	16s
cross-build-collector (linux, s390x)	15s
cross-build-collector (windows, 386)	10s
cross-build-collector (windows, amd64)	12s
unittest	1s
	11m 46s

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