Update Overmind Dependencies

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	Age	Adoption	Passing	Confidence
github.com/overmindtech/aws-source	require	digest	b568881 -> 7f5ecfc
github.com/overmindtech/sdp-go	require	patch	v0.89.1 -> v0.89.4
github.com/overmindtech/stdlib-source	require	digest	9cff22a -> 2db2917

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Release Notes

overmindtech/sdp-go (github.com/overmindtech/sdp-go)

### [`v0.89.4`](https://togithub.com/overmindtech/sdp-go/compare/v0.89.3...v0.89.4) [Compare Source](https://togithub.com/overmindtech/sdp-go/compare/v0.89.3...v0.89.4) ### [`v0.89.3`](https://togithub.com/overmindtech/sdp-go/compare/v0.89.2...v0.89.3) [Compare Source](https://togithub.com/overmindtech/sdp-go/compare/v0.89.2...v0.89.3) ### [`v0.89.2`](https://togithub.com/overmindtech/sdp-go/compare/v0.89.1...v0.89.2) [Compare Source](https://togithub.com/overmindtech/sdp-go/compare/v0.89.1...v0.89.2)

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