fix(deps): update dependency @apollo/gateway to ^0.31.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@apollo/gateway	^0.30.0 -> ^0.31.0

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Release Notes

apollographql/federation

### [`v0.31.0`](https://togithub.com/apollographql/federation/blob/master/gateway-js/CHANGELOG.md#v0310) [Compare Source](https://togithub.com/apollographql/federation/compare/@apollo/gateway@0.30.0...@apollo/gateway@0.31.0) - OpenTelemetry intrumentation. [836](https://togithub.com/apollographql/federation/pull/836)

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