deps: update module golang.org/x/net to v0.15.0 (#2135)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Signed-off-by: odubajDT <93584209+odubajDT@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: odubajDT <93584209+odubajDT@users.noreply.github.com>

metrics-operator/go.mod

@@ -15,7 +15,7 @@ require (
 	github.com/prometheus/common v0.44.0
 	github.com/stretchr/testify v1.8.4
 	golang.org/x/exp v0.0.0-20230905200255-921286631fa9
-	golang.org/x/net v0.13.0
+	golang.org/x/net v0.15.0
 	gopkg.in/inf.v0 v0.9.1
 	k8s.io/api v0.28.2
 	k8s.io/apiextensions-apiserver v0.28.2