fix(deps): update dependency @apollo/gateway to ^0.29.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@apollo/gateway	^0.28.3 -> ^0.29.0

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Release Notes

apollographql/federation

### [`v0.29.0`](https://togithub.com/apollographql/federation/compare/@apollo/gateway@0.28.3...@apollo/gateway@0.29.0) [Compare Source](https://togithub.com/apollographql/federation/compare/@apollo/gateway@0.28.3...@apollo/gateway@0.29.0)

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