fix(deps): update ghcr.io/renovatebot/renovate docker tag to v37.68.4

This MR contains the following updates:

Package	Update	Change
ghcr.io/renovatebot/renovate (source)	patch	37.68.3 -> 37.68.4

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Release Notes

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

v37.68.4

Compare Source

Documentation

• update references to renovate/renovate to v37.68.3 (#​25971) (afde059)

Miscellaneous Chores

• deps: lock file maintenance (#​25972) (c667f75)
• improve label-actions bot messages (#​25977) (e8cd835)

Build System

• deps: update dependency simple-git to v3.21.0 (#​25980) (3d47d2a)

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