fix(deps): update ghcr.io/renovatebot/renovate docker tag to v37.438.5

This MR contains the following updates:

Package	Update	Change
ghcr.io/renovatebot/renovate (source)	patch	37.438.4 -> 37.438.5
ghcr.io/renovatebot/renovate (source)	patch	37.438.4-slim -> 37.438.5-slim

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Release Notes

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

v37.438.5

Compare Source

Bug Fixes

• bitbucket-server: Clarify error when both BB password and access token are set (#​30296) (3a35375)
• nuget: always coalesce sourceUrl and homepage if homepage available (#​30227) (7dd6325)

Documentation

• datasource/custom: rewrite debugging section (#​30250) (94e333f)
• migrating secrets: rewrite (#​30302) (9817dde)

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