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

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp	v0.54.0 -> v0.56.0

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[renovate]

ℹ Artifact update notice

File name: go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

• 3 additional dependencies were updated

Details:

Package	Change
go.opentelemetry.io/otel	v1.29.0 -> v1.31.0
go.opentelemetry.io/otel/metric	v1.29.0 -> v1.31.0
go.opentelemetry.io/otel/trace	v1.29.0 -> v1.31.0