feat(deps): update ghcr.io/renovatebot/renovate docker tag to v39.78.0

This MR contains the following updates:

Package	Update	Change
ghcr.io/renovatebot/renovate (source)	minor	39.77.0 -> 39.78.0

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Release Notes

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

v39.78.0

Compare Source

Features

• versioning: add devbox versioning module (#​31408) (01a3c2f)

Bug Fixes

• go: Request only info for versions with the same major (#​33169) (6072a35)

Miscellaneous Chores

• Add k8s.io/component-helpers to group:kubernetes (#​33223) (91c0483)
• deps: update linters (#​32318) (dc6bf16)
• use redirects for missing labels issue (#​33221) (c69df69)

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