chore(deps): update module go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp to v0.56.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp	v0.55.0 -> v0.56.0

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