feat(deps): update ghcr.io/renovatebot/renovate docker tag to v39.140.0

This MR contains the following updates:

Package	Update	Change
ghcr.io/renovatebot/renovate (source)	minor	39.138.0 -> 39.140.0

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Release Notes

renovatebot/renovate (ghcr.io/renovatebot/renovate)

v39.140.0

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Features

• datasource: Add datasource for buildpack registry (#​32721) (d581af5)

v39.139.0

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Features

• http: Return stale cache on revalidation errors (#​33852) (c3814ab)

Miscellaneous Chores

• deps: update dependency @​swc/core to v1.10.9 (#​33898) (f97875f)

v39.138.2

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Bug Fixes

• deps: update ghcr.io/renovatebot/base-image docker tag to v9.37.2 (#​33895) (95e3577)

v39.138.1

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Bug Fixes

• deps: update ghcr.io/renovatebot/base-image docker tag to v9.37.1 (#​33894) (fa40e07)

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